diff --git a/litellm/llms/sagemaker.py b/litellm/llms/sagemaker.py
index 535213bd81c6..9f9f3e8283d3 100644
--- a/litellm/llms/sagemaker.py
+++ b/litellm/llms/sagemaker.py
@@ -366,7 +366,37 @@ async def async_streaming(
     import aioboto3
 
     session = aioboto3.Session()
-    async with session.client("sagemaker-runtime", region_name="us-west-2") as client:
+
+    # pop aws_secret_access_key, aws_access_key_id, aws_region_name from kwargs, since completion calls fail with them
+    aws_secret_access_key = optional_params.pop("aws_secret_access_key", None)
+    aws_access_key_id = optional_params.pop("aws_access_key_id", None)
+    aws_region_name = optional_params.pop("aws_region_name", None)
+
+    if aws_access_key_id != None:
+        # uses auth params passed to completion
+        # aws_access_key_id is not None, assume user is trying to auth using litellm.completion
+        _client = session.client(
+            service_name="sagemaker-runtime",
+            aws_access_key_id=aws_access_key_id,
+            aws_secret_access_key=aws_secret_access_key,
+            region_name=aws_region_name,
+        )
+    else:
+        # aws_access_key_id is None, assume user is trying to auth using env variables
+        # boto3 automaticaly reads env variables
+
+        # we need to read region name from env
+        # I assume majority of users use .env for auth
+        region_name = (
+            get_secret("AWS_REGION_NAME")
+            or "us-west-2"  # default to us-west-2 if user not specified
+        )
+        _client = session.client(
+            service_name="sagemaker-runtime",
+            region_name=region_name,
+        )
+
+    async with _client as client:
         try:
             response = await client.invoke_endpoint_with_response_stream(
                 EndpointName=model,
@@ -395,7 +425,37 @@ async def async_completion(
     import aioboto3
 
     session = aioboto3.Session()
-    async with session.client("sagemaker-runtime", region_name="us-west-2") as client:
+
+    # pop aws_secret_access_key, aws_access_key_id, aws_region_name from kwargs, since completion calls fail with them
+    aws_secret_access_key = optional_params.pop("aws_secret_access_key", None)
+    aws_access_key_id = optional_params.pop("aws_access_key_id", None)
+    aws_region_name = optional_params.pop("aws_region_name", None)
+
+    if aws_access_key_id != None:
+        # uses auth params passed to completion
+        # aws_access_key_id is not None, assume user is trying to auth using litellm.completion
+        _client = session.client(
+            service_name="sagemaker-runtime",
+            aws_access_key_id=aws_access_key_id,
+            aws_secret_access_key=aws_secret_access_key,
+            region_name=aws_region_name,
+        )
+    else:
+        # aws_access_key_id is None, assume user is trying to auth using env variables
+        # boto3 automaticaly reads env variables
+
+        # we need to read region name from env
+        # I assume majority of users use .env for auth
+        region_name = (
+            get_secret("AWS_REGION_NAME")
+            or "us-west-2"  # default to us-west-2 if user not specified
+        )
+        _client = session.client(
+            service_name="sagemaker-runtime",
+            region_name=region_name,
+        )
+
+    async with _client as client:
         ## LOGGING
         request_str = f"""
         response = client.invoke_endpoint(