diff --git a/python/TestHarness/TestHarness.py b/python/TestHarness/TestHarness.py
index 78475de55d00..d476d5bf29eb 100644
--- a/python/TestHarness/TestHarness.py
+++ b/python/TestHarness/TestHarness.py
@@ -1089,6 +1089,7 @@ def parseCLArgs(self, argv):
         parser.add_argument('--error-unused', action='store_true', help='Run the tests with errors on unused parameters (Pass "--error-unused" to executable)')
         parser.add_argument('--error-deprecated', action='store_true', help='Run the tests with errors on deprecations')
         parser.add_argument('--allow-unused',action='store_true', help='Run the tests without errors on unused parameters (Pass "--allow-unused" to executable)')
+        parser.add_argument('--allow-warnings',action='store_true', help='Run the tests with warnings not as errors (Do not pass "--error" to executable)')
         # Option to use for passing unwrapped options to the executable
         parser.add_argument('--cli-args', nargs='?', type=str, dest='cli_args', help='Append the following list of arguments to the command line (Encapsulate the command in quotes)')
         parser.add_argument('--dry-run', action='store_true', dest='dry_run', help="Pass --dry-run to print commands to run, but don't actually run them")
@@ -1196,6 +1197,9 @@ def checkAndUpdateCLArgs(self):
         if opts.verbose and opts.quiet:
             print('Do not be an oxymoron with --verbose and --quiet')
             sys.exit(1)
+        if opts.error and opts.allow_warnings:
+            print(f'ERROR: Cannot use --error and --allow-warnings together')
+            sys.exit(1)
 
         # Setup absolute paths and output paths
         if opts.output_dir:
diff --git a/python/TestHarness/testers/RunApp.py b/python/TestHarness/testers/RunApp.py
index b3c8d41f78e0..10917fa2b843 100644
--- a/python/TestHarness/testers/RunApp.py
+++ b/python/TestHarness/testers/RunApp.py
@@ -213,7 +213,7 @@ def getCommand(self, options):
             # and it is NOT supplied already in the cli-args option
             cli_args.append('--distributed-mesh')
 
-        if '--error' not in cli_args and (not specs["allow_warnings"] or options.error):
+        if '--error' not in cli_args and (not specs["allow_warnings"] or options.error) and not options.allow_warnings:
             cli_args.append('--error')
 
         if '--error-unused' not in cli_args and options.error_unused: