diff --git a/libkineto/src/output_json.cpp b/libkineto/src/output_json.cpp
index cf26b5e8d..d7d9a250f 100644
--- a/libkineto/src/output_json.cpp
+++ b/libkineto/src/output_json.cpp
@@ -49,6 +49,7 @@ static constexpr const std::string_view kOutTensorsStart =
 static constexpr const std::string_view kRank = "Rank";
 static constexpr const std::string_view kP2pSrc = "Src Rank";
 static constexpr const std::string_view kP2pDst = "Dst Rank";
+static constexpr const std::string_view kCommsId = "Comms Id";
 
 #ifdef __linux__
 static constexpr std::string_view kDefaultLogFileFmt =
@@ -555,6 +556,15 @@ void ChromeTraceLogger::handleActivity(const libkineto::ITraceActivity& op) {
       arg_values.append(fmt::format(", \"{}\": {}", kP2pSrc, srcRank));
     }
 
+    const auto& commsId =
+        collectiveRecord->getMetadataValue(std::string(kCommsId));
+    if (!commsId.empty()) {
+      if (!arg_values.empty()) {
+        arg_values.append(",");
+      }
+      arg_values.append(fmt::format(" \"{}\": {}", kCommsId, commsId));
+    }
+
     if (distInfo_.backend.empty() && processGroupDesc == "\"default_pg\"") {
       distInfo_.backend = "nccl";
       distInfo_.rank = collectiveRecord->getMetadataValue(std::string(kRank));
diff --git a/libkineto/test/CuptiActivityProfilerTest.cpp b/libkineto/test/CuptiActivityProfilerTest.cpp
index bd886dcd2..dabe29a37 100644
--- a/libkineto/test/CuptiActivityProfilerTest.cpp
+++ b/libkineto/test/CuptiActivityProfilerTest.cpp
@@ -52,6 +52,7 @@ static constexpr auto kGroupSize = "Group size";
 static constexpr const char* kProcessGroupName = "Process Group Name";
 static constexpr const char* kProcessGroupDesc = "Process Group Description";
 static constexpr const char* kGroupRanks = "Process Group Ranks";
+static constexpr const char* kCommsId = "Comms Id";
 static constexpr int32_t kTruncatLength = 30;
 
 #define CUDA_LAUNCH_KERNEL CUPTI_RUNTIME_TRACE_CBID_cudaLaunchKernel_v7000
@@ -663,6 +664,7 @@ TEST_F(CuptiActivityProfilerTest, GpuNCCLCollectiveTest) {
   metadataMap.emplace(kGroupSize, "2");
   metadataMap.emplace(kProcessGroupName, fmt::format("\"{}\"", "12341234"));
   metadataMap.emplace(kProcessGroupDesc, fmt::format("\"{}\"", "test_purpose"));
+  metadataMap.emplace(kCommsId, "12345678");
 
   std::vector<int64_t> inSplitSizes(50, 0);
   std::string inSplitSizesStr;
@@ -804,6 +806,8 @@ TEST_F(CuptiActivityProfilerTest, GpuNCCLCollectiveTest) {
   EXPECT_EQ(2, countSubstrings(jsonString, "test_purpose"));
   EXPECT_EQ(2, countSubstrings(jsonString, kGroupRanks));
   EXPECT_EQ(2, countSubstrings(jsonString, expectedGroupRanksStr));
+  EXPECT_EQ(2, countSubstrings(jsonString, kCommsId));
+  EXPECT_EQ(2, countSubstrings(jsonString, "12345678"));
 #endif
 }