diff --git a/src/containerapp/azext_containerapp/_up_utils.py b/src/containerapp/azext_containerapp/_up_utils.py
index da5b69b8cd4..487e5f40fbf 100644
--- a/src/containerapp/azext_containerapp/_up_utils.py
+++ b/src/containerapp/azext_containerapp/_up_utils.py
@@ -670,6 +670,18 @@ def _get_registry_details(cmd, app: "ContainerApp", source):
     )
 
 
+def _validate_containerapp_name(name):
+    is_valid = True
+    is_valid = is_valid and name.lower() == name
+    is_valid = is_valid and len(name) <= 32
+    is_valid = is_valid and '--' not in name
+    name = name.replace('-', '')
+    is_valid = is_valid and name.isalnum()
+    is_valid = is_valid and name[0].isalpha()
+    if not is_valid:
+        raise ValidationError(f"Invalid Container App name {name}. A name must consist of lower case alphanumeric characters or '-', start with an alphabetic character, and end with an alphanumeric character and cannot have '--'. The length must not be more than 32 characters.")
+
+
 # attempt to populate defaults for managed env, RG, ACR, etc
 def _set_up_defaults(
     cmd,
diff --git a/src/containerapp/azext_containerapp/custom.py b/src/containerapp/azext_containerapp/custom.py
index 4156ac049f8..641c2685d60 100644
--- a/src/containerapp/azext_containerapp/custom.py
+++ b/src/containerapp/azext_containerapp/custom.py
@@ -2288,11 +2288,13 @@ def containerapp_up(cmd,
     from ._up_utils import (_validate_up_args, _reformat_image, _get_dockerfile_content, _get_ingress_and_target_port,
                             ResourceGroup, ContainerAppEnvironment, ContainerApp, _get_registry_from_app,
                             _get_registry_details, _create_github_action, _set_up_defaults, up_output,
-                            check_env_name_on_rg, get_token)
+                            check_env_name_on_rg, get_token, _validate_containerapp_name)
     from ._github_oauth import cache_github_token
     HELLOWORLD = "mcr.microsoft.com/azuredocs/containerapps-helloworld"
     dockerfile = "Dockerfile"  # for now the dockerfile name must be "Dockerfile" (until GH actions API is updated)
 
+    _validate_containerapp_name(name)
+
     register_provider_if_needed(cmd, CONTAINER_APPS_RP)
     _validate_up_args(cmd, source, image, repo, registry_server)
     validate_container_app_name(name)