diff --git a/src/native/libs/System.Native/pal_signal.c b/src/native/libs/System.Native/pal_signal.c
index 0271f8c216ff05..b73898359083cc 100644
--- a/src/native/libs/System.Native/pal_signal.c
+++ b/src/native/libs/System.Native/pal_signal.c
@@ -313,6 +313,14 @@ static void* SignalHandlerLoop(void* arg)
     free(arg);
     assert(pipeFd >= 0);
 
+#if defined(__linux__) || defined(__FreeBSD__)
+    pthread_setname_np(pthread_self(), ".NET SigHandler");
+#endif
+#if defined(__APPLE__)
+    // on macOS, pthread_setname_np only works for the calling thread.
+    pthread_setname_np(".NET SigHandler");
+#endif
+
     // Continually read a signal code from the signal pipe and process it,
     // until the pipe is closed.
     while (true)