diff --git a/.github/checks/check-mac-override-missing.sh b/.github/checks/check-mac-override-missing.sh
new file mode 100755
index 000000000..760f3da90
--- /dev/null
+++ b/.github/checks/check-mac-override-missing.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+# Initialize a variable to track if any errors are found
+error_found=0
+
+# Define patterns for location files and model files
+location_files='locations/*.yml'
+model_files='group_vars/model_*.yml'
+
+# Find all models that require a mac_override
+declare -A mac_override_required_models
+
+for model_file_path in $model_files; do
+  # Extract model name from file path
+  model_file=$(basename "$model_file_path" .yml)
+  model_name=${model_file#model_}
+
+  # Check if the model requires mac_override
+  requires_mac_override=$(yq '.requires_mac_override' "$model_file_path" | tr -d '"')
+
+  # Store the result in the associative array
+  mac_override_required_models["$model_name"]=$requires_mac_override
+done
+
+# Find all missing mac_overrides
+for location_file in $location_files; do
+  # Get hosts as a single YAML block to minimize calls to yq
+  hosts=$(yq '.hosts' "$location_file")
+
+  # Loop through each host entry
+  for i in $(seq 0 $(($(echo "$hosts" | yq '. | length') - 1))); do
+    hostname=$(echo "$hosts" | yq ".[$i].hostname" | tr -d '"')
+    model=$(echo "$hosts" | yq ".[$i].model" | tr -d '"')
+    mac_override=$(echo "$hosts" | yq ".[$i].mac_override" | tr -d '"')
+
+    # Convert model name to match the model file format (underscore instead of hyphen)
+    model_name=${model//-/_}
+
+    # Check if the model requires mac_override using the associative array
+    requires_mac_override=${mac_override_required_models["$model_name"]}
+
+    if [ "$requires_mac_override" = "true" ]; then
+      if [ "$mac_override" == "null" ]; then
+        # Output the missing mac_override details immediately
+        echo "Host $hostname (model: $model) in $location_file is missing mac_override."
+        error_found=1
+      fi
+    fi
+  done
+done
+
+# Exit with a non-zero status code if any errors were found
+if [ "$error_found" -eq 1 ]; then
+  exit 1
+else
+  echo "No MAC override issues found."
+fi
+
diff --git a/.github/workflows/check-mac-override-missing.yml b/.github/workflows/check-mac-override-missing.yml
new file mode 100644
index 000000000..42211da5d
--- /dev/null
+++ b/.github/workflows/check-mac-override-missing.yml
@@ -0,0 +1,17 @@
+---
+name: Check missing mac_overrides
+
+on: [push, pull_request]  # yamllint disable-line rule:truthy
+
+jobs:
+  check-mac-override-missing:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout branch
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Run mac_override missing check
+        run: |
+          ./.github/checks/check-mac-override-missing.sh