diff --git a/python/ray/util/multiprocessing/pool.py b/python/ray/util/multiprocessing/pool.py
index 9910bc3a4..b74e10279 100644
--- a/python/ray/util/multiprocessing/pool.py
+++ b/python/ray/util/multiprocessing/pool.py
@@ -9,6 +9,7 @@ import queue
 import copy
 
 import ray
+from ray.util import log_once
 
 logger = logging.getLogger(__name__)
 
@@ -336,7 +337,7 @@ class Pool:
         self._maxtasksperchild = maxtasksperchild or -1
         self._actor_deletion_ids = []
 
-        if context:
+        if context and log_once("context_argument_warning"):
             logger.warning("The 'context' argument is not supported using "
                            "ray. Please refer to the documentation for how "
                            "to control ray initialization.")