diff --git a/osc_lib/shell.py b/osc_lib/shell.py
index e204d63..3d6cc53 100644
--- a/osc_lib/shell.py
+++ b/osc_lib/shell.py
@@ -283,6 +283,7 @@ class OpenStackShell(app.App):
                 '--os-profile',
                 metavar='hmac-key',
                 dest='profile',
+                default=utils.env('OS_PROFILE'),
                 help=_('HMAC key for encrypting profiling context data'),
             )
             # NOTE(dtroyer): This global option should have been named
diff --git a/osc_lib/tests/test_shell.py b/osc_lib/tests/test_shell.py
index dc215bf..13f1822 100644
--- a/osc_lib/tests/test_shell.py
+++ b/osc_lib/tests/test_shell.py
@@ -112,7 +112,7 @@ global_options = {
     '--os-default-domain': (DEFAULT_DOMAIN_NAME, True, True),
     '--os-cacert': ('/dev/null', True, True),
     '--timing': (True, True, False),
-    '--os-profile': ('SECRET_KEY', True, False),
+    '--os-profile': ('SECRET_KEY', True, True),
     '--os-interface': (DEFAULT_INTERFACE, True, True)
 }
 
diff --git a/releasenotes/notes/os-profile-as-environment-variable-a5e232e9ca7c5171.yaml b/releasenotes/notes/os-profile-as-environment-variable-a5e232e9ca7c5171.yaml
new file mode 100644
index 0000000..66fff35
--- /dev/null
+++ b/releasenotes/notes/os-profile-as-environment-variable-a5e232e9ca7c5171.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    ``--os-profile`` argument can be loaded from ``OS_PROFILE``
+    environment variables to avoid repeating ``--os-profile``
+    in openstack commands.
\ No newline at end of file