diff --git a/backends/vulkan/runtime/graph/ops/glsl/unary_op.glsl b/backends/vulkan/runtime/graph/ops/glsl/unary_op.glsl
index f7480c7b0a..0cad62d38c 100644
--- a/backends/vulkan/runtime/graph/ops/glsl/unary_op.glsl
+++ b/backends/vulkan/runtime/graph/ops/glsl/unary_op.glsl
@@ -36,6 +36,18 @@ ${layout_declare_ubo(4, "float", "maximum")}
 
 layout(local_size_x_id = 0, local_size_y_id = 1, local_size_z_id = 2) in;
 
+float hardswish(float x){
+    if(x <= -3) {
+      return 0;
+    }
+    else if(x >= 3) {
+      return x;
+    }
+    else {
+      return x * (x + 3)/6;
+    }
+}
+
 #ifdef USING_BUFFER
 
 void main() {
diff --git a/backends/vulkan/runtime/graph/ops/glsl/unary_op.yaml b/backends/vulkan/runtime/graph/ops/glsl/unary_op.yaml
index cc41a579c0..f39abc2134 100644
--- a/backends/vulkan/runtime/graph/ops/glsl/unary_op.yaml
+++ b/backends/vulkan/runtime/graph/ops/glsl/unary_op.yaml
@@ -36,3 +36,5 @@ unary_op:
       OPERATOR: tanh(clamp(X, -15.0, 15.0))
     - NAME: hardshrink
       OPERATOR: X * (vec4(greaterThan(X, vec4(A))) + vec4(lessThan(X, vec4(B))))
+    - NAME: hardswish
+      OPERATOR: vec4(hardswish(X.x),hardswish(X.y),hardswish(X.z),hardswish(X.w))
diff --git a/backends/vulkan/runtime/graph/ops/impl/UnaryOp.cpp b/backends/vulkan/runtime/graph/ops/impl/UnaryOp.cpp
index 10a05c3d36..d64f82ee63 100644
--- a/backends/vulkan/runtime/graph/ops/impl/UnaryOp.cpp
+++ b/backends/vulkan/runtime/graph/ops/impl/UnaryOp.cpp
@@ -113,6 +113,12 @@ float get_val_or_inf(ComputeGraph& graph, const ValueRef& val, bool max) {
         "hardshrink");                                                   \
   }
 
+#define DEFINE_HARDSWISH_FN(op_name)                                     \
+  void op_name(ComputeGraph& graph, const std::vector<ValueRef>& args) { \
+    return add_unary_op_node(                                            \
+        graph, args[0], kDummyFloat, kDummyFloat, args[1], #op_name);    \
+  }
+
 void gelu(ComputeGraph& graph, const std::vector<ValueRef>& args) {
   // args[1] is the `approximate` string
   // https://fburl.com/code/9omngmyo
@@ -133,6 +139,7 @@ DEFINE_CLAMP_FN(clamp);
 DEFINE_CLAMP_FN(hardtanh);
 DEFINE_RELU_FN(relu);
 DEFINE_HARDSHRINK_FN(hardshrink);
+DEFINE_HARDSWISH_FN(hardswish);
 
 REGISTER_OPERATORS {
   VK_REGISTER_OP(aten.abs.default, abs);
@@ -148,6 +155,7 @@ REGISTER_OPERATORS {
   VK_REGISTER_OP(aten.sqrt.default, sqrt);
   VK_REGISTER_OP(aten.tanh.default, tanh);
   VK_REGISTER_OP(aten.hardshrink.default, hardshrink);
+  VK_REGISTER_OP(aten.hardswish.default, hardswish);
 }
 
 } // namespace vkcompute
diff --git a/backends/vulkan/test/op_tests/cases.py b/backends/vulkan/test/op_tests/cases.py
index 8f7cb59740..f50e44be72 100644
--- a/backends/vulkan/test/op_tests/cases.py
+++ b/backends/vulkan/test/op_tests/cases.py
@@ -876,6 +876,7 @@ def get_softmax_inputs():
         "aten.sin.default",
         "aten.neg.default",
         "aten.cos.default",
+        "aten.hardswish.default",
     ]
 )
 def get_unary_ops_inputs():