diff --git a/runtime/onert/core/include/ir/Operations.Include.h b/runtime/onert/core/include/ir/Operations.Include.h
index 6352b8ed90b..259c174498d 100644
--- a/runtime/onert/core/include/ir/Operations.Include.h
+++ b/runtime/onert/core/include/ir/Operations.Include.h
@@ -67,6 +67,7 @@
 #include "ir/operation/ResizeBilinear.h"
 #include "ir/operation/ResizeNearestNeighbor.h"
 #include "ir/operation/Reverse.h"
+#include "ir/operation/RmsNorm.h"
 #include "ir/operation/RNN.h"
 #include "ir/operation/Select.h"
 #include "ir/operation/Shape.h"
diff --git a/runtime/onert/core/include/ir/Operations.lst b/runtime/onert/core/include/ir/Operations.lst
index 1f91aecb23f..cb19a2ad9a7 100644
--- a/runtime/onert/core/include/ir/Operations.lst
+++ b/runtime/onert/core/include/ir/Operations.lst
@@ -69,6 +69,7 @@ OP(Reshape)
 OP(ResizeBilinear)
 OP(ResizeNearestNeighbor)
 OP(Reverse)
+OP(RmsNorm)
 OP(RNN)
 OP(Select)
 OP(Shape)
diff --git a/runtime/onert/core/include/ir/operation/RmsNorm.h b/runtime/onert/core/include/ir/operation/RmsNorm.h
new file mode 100644
index 00000000000..416f2e582e4
--- /dev/null
+++ b/runtime/onert/core/include/ir/operation/RmsNorm.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2024 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __ONERT_IR_OPERATION_RMS_NORM_H__
+#define __ONERT_IR_OPERATION_RMS_NORM_H__
+
+#include "ir/Operation.h"
+#include "ir/InternalType.h"
+
+namespace onert
+{
+namespace ir
+{
+namespace operation
+{
+
+class RmsNorm : public Operation
+{
+public:
+  enum Input
+  {
+    INPUT = 0,
+    GAMMA
+  };
+
+  struct Param
+  {
+    float epsilon;
+  };
+
+public:
+  RmsNorm(const OperandIndexSequence &inputs, const OperandIndexSequence &outputs,
+          const Param &param);
+
+public:
+  void accept(OperationVisitor &v) const override;
+  OpCode opcode() const final { return OpCode::RmsNorm; }
+
+public:
+  const Param &param() const { return _param; }
+
+private:
+  Param _param;
+};
+
+} // namespace operation
+} // namespace ir
+} // namespace onert
+
+#endif // __ONERT_IR_OPERATION_RMS_NORM_H__
diff --git a/runtime/onert/core/src/ir/OperationDumper.cc b/runtime/onert/core/src/ir/OperationDumper.cc
index e0f28795b9d..933bc757cbd 100644
--- a/runtime/onert/core/src/ir/OperationDumper.cc
+++ b/runtime/onert/core/src/ir/OperationDumper.cc
@@ -318,6 +318,13 @@ void OperationDumper::visit(const Reverse &node)
   dumpUnaryInputOp(node, axis);
 }
 
+void OperationDumper::visit(const RmsNorm &node)
+{
+  std::string inputs =
+    "Gamma(" + std::to_string(node.getInputs().at(RmsNorm::Input::GAMMA).value()) + ")";
+  dumpUnaryInputOp(node, inputs);
+}
+
 void OperationDumper::visit(const RNN &node)
 {
   VERBOSE(LIR) << "* RNN" << std::endl;
diff --git a/runtime/onert/core/src/ir/OperationDumper.h b/runtime/onert/core/src/ir/OperationDumper.h
index 99bf869d586..bcfea6d2590 100644
--- a/runtime/onert/core/src/ir/OperationDumper.h
+++ b/runtime/onert/core/src/ir/OperationDumper.h
@@ -70,6 +70,7 @@ class OperationDumper : public OperationVisitor
   void visit(const operation::ResizeBilinear &) override;
   void visit(const operation::ResizeNearestNeighbor &) override;
   void visit(const operation::Reverse &) override;
+  void visit(const operation::RmsNorm &) override;
   void visit(const operation::RNN &) override;
   void visit(const operation::Select &node) override;
   void visit(const operation::Shape &node) override;
diff --git a/runtime/onert/core/src/ir/operation/RmsNorm.cc b/runtime/onert/core/src/ir/operation/RmsNorm.cc
new file mode 100644
index 00000000000..2f6f4927772
--- /dev/null
+++ b/runtime/onert/core/src/ir/operation/RmsNorm.cc
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2024 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ir/operation/RmsNorm.h"
+#include "ir/OperationVisitor.h"
+
+namespace onert
+{
+namespace ir
+{
+namespace operation
+{
+
+void RmsNorm::accept(OperationVisitor &v) const { v.visit(*this); }
+
+RmsNorm::RmsNorm(const OperandIndexSequence &inputs, const OperandIndexSequence &outputs,
+                 const Param &param)
+  : Operation{OperandConstraint::createExact(2u), inputs, outputs}, _param{param}
+{
+}
+
+} // namespace operation
+} // namespace ir
+} // namespace onert
diff --git a/runtime/onert/core/src/ir/train/operation/UntrainableOperation.test.cc b/runtime/onert/core/src/ir/train/operation/UntrainableOperation.test.cc
index 4a6267b0a34..4ae72668dd9 100644
--- a/runtime/onert/core/src/ir/train/operation/UntrainableOperation.test.cc
+++ b/runtime/onert/core/src/ir/train/operation/UntrainableOperation.test.cc
@@ -412,6 +412,14 @@ operation::Reverse generateReverse()
   return operation::Reverse{OperandIndexSequence{1, 2}, OperandIndexSequence{0}};
 }
 
+operation::RmsNorm generateRmsNorm()
+{
+  operation::RmsNorm::Param param;
+  param.epsilon = 0.f;
+
+  return operation::RmsNorm{OperandIndexSequence{1, 2}, OperandIndexSequence{0}, param};
+}
+
 operation::RNN generateRNN()
 {
   operation::RNN::Param param;
@@ -750,6 +758,9 @@ TEST(UntrainableOperation, testAllOps)
   const auto reverse = generateReverse();
   verifyOp(reverse);
 
+  const auto rms_norm = generateRmsNorm();
+  verifyOp(rms_norm);
+
   const auto rnn = generateRNN();
   verifyOp(rnn);
 
@@ -1123,6 +1134,12 @@ TEST(UntrainableOperation, neg_TrainableOperationVisitor)
     EXPECT_ANY_THROW(visitor.invoke(*untrainable));
   }
 
+  {
+    const auto rms_norm = generateRmsNorm();
+    auto untrainable = generateUntrainableOperation(rms_norm);
+    EXPECT_ANY_THROW(visitor.invoke(*untrainable));
+  }
+
   {
     const auto rnn = generateRNN();
     auto untrainable = generateUntrainableOperation(rnn);