diff --git a/flang/docs/OpenMP-declare-target.md b/flang/docs/OpenMP-declare-target.md
index d29a46807e1eaf..45062469007b65 100644
--- a/flang/docs/OpenMP-declare-target.md
+++ b/flang/docs/OpenMP-declare-target.md
@@ -149,7 +149,7 @@ flang/lib/Lower/OpenMP.cpp function `genDeclareTargetIntGlobal`.
 
 There are currently two passes within Flang that are related to the processing 
 of `declare target`:
-* `OMPMarkDeclareTarget` - This pass is in charge of marking functions captured
+* `MarkDeclareTarget` - This pass is in charge of marking functions captured
 (called from) in `target` regions or other `declare target` marked functions as
 `declare target`. It does so recursively, i.e. nested calls will also be 
 implicitly marked. It currently will try to mark things as conservatively as 
@@ -157,7 +157,7 @@ possible, e.g. if captured in a `target` region it will apply `nohost`, unless
 it encounters a `host` `declare target` in which case it will apply the `any` 
 device type. Functions are handled similarly, except we utilise the parent's 
 device type where possible.
-* `OMPFunctionFiltering` - This is executed after the `OMPMarkDeclareTarget`
+* `FunctionFiltering` - This is executed after the `MarkDeclareTarget`
 pass, and its job is to conservatively remove host functions from
 the module where possible when compiling for the device. This helps make 
 sure that most incompatible code for the host is not lowered for the 
diff --git a/flang/docs/OpenMP-descriptor-management.md b/flang/docs/OpenMP-descriptor-management.md
index d0eb01b00f9bb9..66c153914f70da 100644
--- a/flang/docs/OpenMP-descriptor-management.md
+++ b/flang/docs/OpenMP-descriptor-management.md
@@ -44,7 +44,7 @@ Currently, Flang will lower these descriptor types in the OpenMP lowering (lower
 to all other map types, generating an omp.MapInfoOp containing relevant information required for lowering
 the OpenMP dialect to LLVM-IR during the final stages of the MLIR lowering. However, after 
 the lowering to FIR/HLFIR has been performed an OpenMP dialect specific pass for Fortran, 
-`OMPMapInfoFinalizationPass` (Optimizer/OMPMapInfoFinalization.cpp) will expand the 
+`MapInfoFinalizationPass` (Optimizer/OpenMP/MapInfoFinalization.cpp) will expand the 
 `omp.MapInfoOp`'s containing descriptors (which currently will be a `BoxType` or `BoxAddrOp`) into multiple 
 mappings, with one extra per pointer member in the descriptor that is supported on top of the original
 descriptor map operation. These pointers members are linked to the parent descriptor by adding them to 
@@ -53,7 +53,7 @@ owning operation's (`omp.TargetOp`, `omp.TargetDataOp` etc.) map operand list an
 operation is `IsolatedFromAbove`, it also inserts them as `BlockArgs` to canonicalize the mappings and
 simplify lowering.
 
-An example transformation by the `OMPMapInfoFinalizationPass`:
+An example transformation by the `MapInfoFinalizationPass`:
 
 ```
 
diff --git a/flang/include/flang/Optimizer/CMakeLists.txt b/flang/include/flang/Optimizer/CMakeLists.txt
index 89e43a9ee8d621..3336ac935e1012 100644
--- a/flang/include/flang/Optimizer/CMakeLists.txt
+++ b/flang/include/flang/Optimizer/CMakeLists.txt
@@ -2,3 +2,4 @@ add_subdirectory(CodeGen)
 add_subdirectory(Dialect)
 add_subdirectory(HLFIR)
 add_subdirectory(Transforms)
+add_subdirectory(OpenMP)
diff --git a/flang/include/flang/Optimizer/OpenMP/CMakeLists.txt b/flang/include/flang/Optimizer/OpenMP/CMakeLists.txt
new file mode 100644
index 00000000000000..d59573f0f7fd91
--- /dev/null
+++ b/flang/include/flang/Optimizer/OpenMP/CMakeLists.txt
@@ -0,0 +1,4 @@
+set(LLVM_TARGET_DEFINITIONS Passes.td)
+mlir_tablegen(Passes.h.inc -gen-pass-decls -name FlangOpenMP)
+
+add_public_tablegen_target(FlangOpenMPPassesIncGen)
diff --git a/flang/include/flang/Optimizer/OpenMP/Passes.h b/flang/include/flang/Optimizer/OpenMP/Passes.h
new file mode 100644
index 00000000000000..403d79667bf448
--- /dev/null
+++ b/flang/include/flang/Optimizer/OpenMP/Passes.h
@@ -0,0 +1,30 @@
+//===- Passes.h - OpenMP pass entry points ----------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This header declares the flang OpenMP passes.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef FORTRAN_OPTIMIZER_OPENMP_PASSES_H
+#define FORTRAN_OPTIMIZER_OPENMP_PASSES_H
+
+#include "mlir/Dialect/Func/IR/FuncOps.h"
+#include "mlir/IR/BuiltinOps.h"
+#include "mlir/Pass/Pass.h"
+#include "mlir/Pass/PassRegistry.h"
+
+#include <memory>
+
+namespace flangomp {
+#define GEN_PASS_DECL
+#define GEN_PASS_REGISTRATION
+#include "flang/Optimizer/OpenMP/Passes.h.inc"
+
+} // namespace flangomp
+
+#endif // FORTRAN_OPTIMIZER_OPENMP_PASSES_H
diff --git a/flang/include/flang/Optimizer/OpenMP/Passes.td b/flang/include/flang/Optimizer/OpenMP/Passes.td
new file mode 100644
index 00000000000000..395178e26a5762
--- /dev/null
+++ b/flang/include/flang/Optimizer/OpenMP/Passes.td
@@ -0,0 +1,40 @@
+//===-- Passes.td - flang OpenMP pass definition -----------*- tablegen -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef FORTRAN_OPTIMIZER_OPENMP_PASSES
+#define FORTRAN_OPTIMIZER_OPENMP_PASSES
+
+include "mlir/Pass/PassBase.td"
+
+def MapInfoFinalizationPass
+    : Pass<"omp-map-info-finalization"> {
+  let summary = "expands OpenMP MapInfo operations containing descriptors";
+  let description = [{
+    Expands MapInfo operations containing descriptor types into multiple
+    MapInfo's for each pointer element in the descriptor that requires
+    explicit individual mapping by the OpenMP runtime.
+  }];
+  let dependentDialects = ["mlir::omp::OpenMPDialect"];
+}
+
+def MarkDeclareTargetPass
+    : Pass<"omp-mark-declare-target", "mlir::ModuleOp"> {
+  let summary = "Marks all functions called by an OpenMP declare target function as declare target";
+  let dependentDialects = ["mlir::omp::OpenMPDialect"];
+}
+
+def FunctionFiltering : Pass<"omp-function-filtering"> {
+  let summary = "Filters out functions intended for the host when compiling "
+                "for the target device.";
+  let dependentDialects = [
+    "mlir::func::FuncDialect",
+    "fir::FIROpsDialect"
+  ];
+}
+
+#endif //FORTRAN_OPTIMIZER_OPENMP_PASSES
diff --git a/flang/include/flang/Optimizer/Transforms/Passes.td b/flang/include/flang/Optimizer/Transforms/Passes.td
index a0211384667ed1..49bd4f5349a754 100644
--- a/flang/include/flang/Optimizer/Transforms/Passes.td
+++ b/flang/include/flang/Optimizer/Transforms/Passes.td
@@ -358,32 +358,6 @@ def LoopVersioning : Pass<"loop-versioning", "mlir::func::FuncOp"> {
   let dependentDialects = [ "fir::FIROpsDialect" ];
 }
 
-def OMPMapInfoFinalizationPass
-    : Pass<"omp-map-info-finalization"> {
-  let summary = "expands OpenMP MapInfo operations containing descriptors";
-  let description = [{
-    Expands MapInfo operations containing descriptor types into multiple 
-    MapInfo's for each pointer element in the descriptor that requires 
-    explicit individual mapping by the OpenMP runtime.
-  }];
-  let dependentDialects = ["mlir::omp::OpenMPDialect"];
-}
-
-def OMPMarkDeclareTargetPass
-    : Pass<"omp-mark-declare-target", "mlir::ModuleOp"> {
-  let summary = "Marks all functions called by an OpenMP declare target function as declare target";
-  let dependentDialects = ["mlir::omp::OpenMPDialect"];
-}
-
-def OMPFunctionFiltering : Pass<"omp-function-filtering"> {
-  let summary = "Filters out functions intended for the host when compiling "
-                "for the target device.";
-  let dependentDialects = [
-    "mlir::func::FuncDialect",
-    "fir::FIROpsDialect"
-  ];
-}
-
 def VScaleAttr : Pass<"vscale-attr", "mlir::func::FuncOp"> {
   let summary = "Add vscale_range attribute to functions";
   let description = [{
diff --git a/flang/include/flang/Tools/CLOptions.inc b/flang/include/flang/Tools/CLOptions.inc
index 57b90017d052e4..1881e23b00045a 100644
--- a/flang/include/flang/Tools/CLOptions.inc
+++ b/flang/include/flang/Tools/CLOptions.inc
@@ -17,6 +17,7 @@
 #include "mlir/Transforms/Passes.h"
 #include "flang/Optimizer/CodeGen/CodeGen.h"
 #include "flang/Optimizer/HLFIR/Passes.h"
+#include "flang/Optimizer/OpenMP/Passes.h"
 #include "flang/Optimizer/Transforms/Passes.h"
 #include "llvm/Passes/OptimizationLevel.h"
 #include "llvm/Support/CommandLine.h"
@@ -367,10 +368,10 @@ inline void createHLFIRToFIRPassPipeline(
 inline void createOpenMPFIRPassPipeline(
     mlir::PassManager &pm, bool isTargetDevice) {
   addNestedPassToAllTopLevelOperations(
-      pm, fir::createOMPMapInfoFinalizationPass);
-  pm.addPass(fir::createOMPMarkDeclareTargetPass());
+      pm, flangomp::createMapInfoFinalizationPass);
+  pm.addPass(flangomp::createMarkDeclareTargetPass());
   if (isTargetDevice)
-    pm.addPass(fir::createOMPFunctionFiltering());
+    pm.addPass(flangomp::createFunctionFiltering());
 }
 
 #if !defined(FLANG_EXCLUDE_CODEGEN)
diff --git a/flang/lib/Frontend/CMakeLists.txt b/flang/lib/Frontend/CMakeLists.txt
index c20b9096aff496..ecdcc73d61ec1f 100644
--- a/flang/lib/Frontend/CMakeLists.txt
+++ b/flang/lib/Frontend/CMakeLists.txt
@@ -38,6 +38,7 @@ add_flang_library(flangFrontend
   FIRTransforms
   HLFIRDialect
   HLFIRTransforms
+  FlangOpenMPTransforms
   MLIRTransforms
   MLIRBuiltinToLLVMIRTranslation
   MLIRLLVMToLLVMIRTranslation
diff --git a/flang/lib/Optimizer/CMakeLists.txt b/flang/lib/Optimizer/CMakeLists.txt
index 4a602162ed2b77..dd153ac33c0fbb 100644
--- a/flang/lib/Optimizer/CMakeLists.txt
+++ b/flang/lib/Optimizer/CMakeLists.txt
@@ -5,3 +5,4 @@ add_subdirectory(HLFIR)
 add_subdirectory(Support)
 add_subdirectory(Transforms)
 add_subdirectory(Analysis)
+add_subdirectory(OpenMP)
diff --git a/flang/lib/Optimizer/OpenMP/CMakeLists.txt b/flang/lib/Optimizer/OpenMP/CMakeLists.txt
new file mode 100644
index 00000000000000..92051634f0378b
--- /dev/null
+++ b/flang/lib/Optimizer/OpenMP/CMakeLists.txt
@@ -0,0 +1,26 @@
+get_property(dialect_libs GLOBAL PROPERTY MLIR_DIALECT_LIBS)
+
+add_flang_library(FlangOpenMPTransforms
+  FunctionFiltering.cpp
+  MapInfoFinalization.cpp
+  MarkDeclareTarget.cpp
+
+  DEPENDS
+  FIRDialect
+  HLFIROpsIncGen
+  FlangOpenMPPassesIncGen
+
+  LINK_LIBS
+  FIRAnalysis
+  FIRBuilder
+  FIRCodeGen
+  FIRDialect
+  FIRDialectSupport
+  FIRSupport
+  FortranCommon
+  MLIRFuncDialect
+  MLIROpenMPDialect
+  HLFIRDialect
+  MLIRIR
+  MLIRPass
+)
diff --git a/flang/lib/Optimizer/Transforms/OMPFunctionFiltering.cpp b/flang/lib/Optimizer/OpenMP/FunctionFiltering.cpp
similarity index 90%
rename from flang/lib/Optimizer/Transforms/OMPFunctionFiltering.cpp
rename to flang/lib/Optimizer/OpenMP/FunctionFiltering.cpp
index 0c472246c2a44c..bd9005d3e2df6f 100644
--- a/flang/lib/Optimizer/Transforms/OMPFunctionFiltering.cpp
+++ b/flang/lib/Optimizer/OpenMP/FunctionFiltering.cpp
@@ -1,4 +1,4 @@
-//===- OMPFunctionFiltering.cpp -------------------------------------------===//
+//===- FunctionFiltering.cpp -------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -13,7 +13,7 @@
 
 #include "flang/Optimizer/Dialect/FIRDialect.h"
 #include "flang/Optimizer/Dialect/FIROpsSupport.h"
-#include "flang/Optimizer/Transforms/Passes.h"
+#include "flang/Optimizer/OpenMP/Passes.h"
 
 #include "mlir/Dialect/Func/IR/FuncOps.h"
 #include "mlir/Dialect/OpenMP/OpenMPDialect.h"
@@ -21,18 +21,18 @@
 #include "mlir/IR/BuiltinOps.h"
 #include "llvm/ADT/SmallVector.h"
 
-namespace fir {
-#define GEN_PASS_DEF_OMPFUNCTIONFILTERING
-#include "flang/Optimizer/Transforms/Passes.h.inc"
-} // namespace fir
+namespace flangomp {
+#define GEN_PASS_DEF_FUNCTIONFILTERING
+#include "flang/Optimizer/OpenMP/Passes.h.inc"
+} // namespace flangomp
 
 using namespace mlir;
 
 namespace {
-class OMPFunctionFilteringPass
-    : public fir::impl::OMPFunctionFilteringBase<OMPFunctionFilteringPass> {
+class FunctionFilteringPass
+    : public flangomp::impl::FunctionFilteringBase<FunctionFilteringPass> {
 public:
-  OMPFunctionFilteringPass() = default;
+  FunctionFilteringPass() = default;
 
   void runOnOperation() override {
     MLIRContext *context = &getContext();
diff --git a/flang/lib/Optimizer/Transforms/OMPMapInfoFinalization.cpp b/flang/lib/Optimizer/OpenMP/MapInfoFinalization.cpp
similarity index 96%
rename from flang/lib/Optimizer/Transforms/OMPMapInfoFinalization.cpp
rename to flang/lib/Optimizer/OpenMP/MapInfoFinalization.cpp
index ddaa3c5f404f0b..6e9cd03dca8f3f 100644
--- a/flang/lib/Optimizer/Transforms/OMPMapInfoFinalization.cpp
+++ b/flang/lib/Optimizer/OpenMP/MapInfoFinalization.cpp
@@ -1,5 +1,4 @@
-//===- OMPMapInfoFinalization.cpp
-//---------------------------------------------------===//
+//===- MapInfoFinalization.cpp -----------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -28,7 +27,7 @@
 #include "flang/Optimizer/Builder/FIRBuilder.h"
 #include "flang/Optimizer/Dialect/FIRType.h"
 #include "flang/Optimizer/Dialect/Support/KindMapping.h"
-#include "flang/Optimizer/Transforms/Passes.h"
+#include "flang/Optimizer/OpenMP/Passes.h"
 #include "mlir/Dialect/Func/IR/FuncOps.h"
 #include "mlir/Dialect/OpenMP/OpenMPDialect.h"
 #include "mlir/IR/BuiltinDialect.h"
@@ -41,15 +40,15 @@
 #include "llvm/Frontend/OpenMP/OMPConstants.h"
 #include <iterator>
 
-namespace fir {
-#define GEN_PASS_DEF_OMPMAPINFOFINALIZATIONPASS
-#include "flang/Optimizer/Transforms/Passes.h.inc"
-} // namespace fir
+namespace flangomp {
+#define GEN_PASS_DEF_MAPINFOFINALIZATIONPASS
+#include "flang/Optimizer/OpenMP/Passes.h.inc"
+} // namespace flangomp
 
 namespace {
-class OMPMapInfoFinalizationPass
-    : public fir::impl::OMPMapInfoFinalizationPassBase<
-          OMPMapInfoFinalizationPass> {
+class MapInfoFinalizationPass
+    : public flangomp::impl::MapInfoFinalizationPassBase<
+          MapInfoFinalizationPass> {
 
   void genDescriptorMemberMaps(mlir::omp::MapInfoOp op,
                                fir::FirOpBuilder &builder,
@@ -245,7 +244,7 @@ class OMPMapInfoFinalizationPass
       // all users appropriately, making sure to only add a single member link
       // per new generation for the original originating descriptor MapInfoOp.
       assert(llvm::hasSingleElement(op->getUsers()) &&
-             "OMPMapInfoFinalization currently only supports single users "
+             "MapInfoFinalization currently only supports single users "
              "of a MapInfoOp");
 
       if (!op.getMembers().empty()) {
diff --git a/flang/lib/Optimizer/Transforms/OMPMarkDeclareTarget.cpp b/flang/lib/Optimizer/OpenMP/MarkDeclareTarget.cpp
similarity index 80%
rename from flang/lib/Optimizer/Transforms/OMPMarkDeclareTarget.cpp
rename to flang/lib/Optimizer/OpenMP/MarkDeclareTarget.cpp
index 4946e13b22865d..a7ffd5fda82b7f 100644
--- a/flang/lib/Optimizer/Transforms/OMPMarkDeclareTarget.cpp
+++ b/flang/lib/Optimizer/OpenMP/MarkDeclareTarget.cpp
@@ -1,4 +1,16 @@
-#include "flang/Optimizer/Transforms/Passes.h"
+//===- MarkDeclareTarget.cpp -------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Mark functions called from explicit target code as implicitly declare target.
+//
+//===----------------------------------------------------------------------===//
+
+#include "flang/Optimizer/OpenMP/Passes.h"
 #include "mlir/Dialect/Func/IR/FuncOps.h"
 #include "mlir/Dialect/LLVMIR/LLVMDialect.h"
 #include "mlir/Dialect/OpenMP/OpenMPDialect.h"
@@ -10,14 +22,14 @@
 #include "mlir/Support/LLVM.h"
 #include "llvm/ADT/SmallPtrSet.h"
 
-namespace fir {
-#define GEN_PASS_DEF_OMPMARKDECLARETARGETPASS
-#include "flang/Optimizer/Transforms/Passes.h.inc"
-} // namespace fir
+namespace flangomp {
+#define GEN_PASS_DEF_MARKDECLARETARGETPASS
+#include "flang/Optimizer/OpenMP/Passes.h.inc"
+} // namespace flangomp
 
 namespace {
-class OMPMarkDeclareTargetPass
-    : public fir::impl::OMPMarkDeclareTargetPassBase<OMPMarkDeclareTargetPass> {
+class MarkDeclareTargetPass
+    : public flangomp::impl::MarkDeclareTargetPassBase<MarkDeclareTargetPass> {
 
   void markNestedFuncs(mlir::omp::DeclareTargetDeviceType parentDevTy,
                        mlir::omp::DeclareTargetCaptureClause parentCapClause,
diff --git a/flang/lib/Optimizer/Transforms/CMakeLists.txt b/flang/lib/Optimizer/Transforms/CMakeLists.txt
index bf0a8d14d95df6..b32f2ef86fca44 100644
--- a/flang/lib/Optimizer/Transforms/CMakeLists.txt
+++ b/flang/lib/Optimizer/Transforms/CMakeLists.txt
@@ -22,9 +22,6 @@ add_flang_library(FIRTransforms
   AddDebugInfo.cpp
   PolymorphicOpConversion.cpp
   LoopVersioning.cpp
-  OMPFunctionFiltering.cpp
-  OMPMapInfoFinalization.cpp
-  OMPMarkDeclareTarget.cpp
   StackReclaim.cpp
   VScaleAttr.cpp
   FunctionAttr.cpp
diff --git a/flang/tools/bbc/CMakeLists.txt b/flang/tools/bbc/CMakeLists.txt
index 9410fd00566006..69316d4dc61de3 100644
--- a/flang/tools/bbc/CMakeLists.txt
+++ b/flang/tools/bbc/CMakeLists.txt
@@ -25,6 +25,7 @@ FIRTransforms
 FIRBuilder
 HLFIRDialect
 HLFIRTransforms
+FlangOpenMPTransforms
 ${dialect_libs}
 ${extension_libs}
 MLIRAffineToStandard
diff --git a/flang/tools/fir-opt/CMakeLists.txt b/flang/tools/fir-opt/CMakeLists.txt
index 43679a9d535782..4c6dbf7d9c8c37 100644
--- a/flang/tools/fir-opt/CMakeLists.txt
+++ b/flang/tools/fir-opt/CMakeLists.txt
@@ -19,6 +19,7 @@ target_link_libraries(fir-opt PRIVATE
   FIRCodeGen
   HLFIRDialect
   HLFIRTransforms
+  FlangOpenMPTransforms
   FIRAnalysis
   ${test_libs}
   ${dialect_libs}
diff --git a/flang/tools/fir-opt/fir-opt.cpp b/flang/tools/fir-opt/fir-opt.cpp
index 1846c1b317848f..f75fba27c68f08 100644
--- a/flang/tools/fir-opt/fir-opt.cpp
+++ b/flang/tools/fir-opt/fir-opt.cpp
@@ -14,6 +14,7 @@
 #include "mlir/Tools/mlir-opt/MlirOptMain.h"
 #include "flang/Optimizer/CodeGen/CodeGen.h"
 #include "flang/Optimizer/HLFIR/Passes.h"
+#include "flang/Optimizer/OpenMP/Passes.h"
 #include "flang/Optimizer/Support/InitFIR.h"
 #include "flang/Optimizer/Transforms/Passes.h"
 
@@ -34,6 +35,7 @@ int main(int argc, char **argv) {
   fir::registerOptCodeGenPasses();
   fir::registerOptTransformPasses();
   hlfir::registerHLFIRPasses();
+  flangomp::registerFlangOpenMPPasses();
 #ifdef FLANG_INCLUDE_TESTS
   fir::test::registerTestFIRAliasAnalysisPass();
   mlir::registerSideEffectTestPasses();
diff --git a/flang/tools/tco/CMakeLists.txt b/flang/tools/tco/CMakeLists.txt
index 808219ac361f2a..698a398547c773 100644
--- a/flang/tools/tco/CMakeLists.txt
+++ b/flang/tools/tco/CMakeLists.txt
@@ -17,6 +17,7 @@ target_link_libraries(tco PRIVATE
   FIRBuilder
   HLFIRDialect
   HLFIRTransforms
+  FlangOpenMPTransforms
   ${dialect_libs}
   ${extension_libs}
   MLIRIR