diff --git a/admin-lehrer/app/(admin)/ai/ocr-pipeline/types.ts b/admin-lehrer/app/(admin)/ai/ocr-pipeline/types.ts
index 917dd75..ce4de3a 100644
--- a/admin-lehrer/app/(admin)/ai/ocr-pipeline/types.ts
+++ b/admin-lehrer/app/(admin)/ai/ocr-pipeline/types.ts
@@ -65,7 +65,7 @@ export interface DewarpGroundTruth {
 
 export interface PageRegion {
   type: 'column_en' | 'column_de' | 'column_example' | 'page_ref'
-      | 'column_marker' | 'column_text' | 'header' | 'footer'
+      | 'column_marker' | 'column_text' | 'column_ignore' | 'header' | 'footer'
   x: number
   y: number
   width: number
diff --git a/admin-lehrer/components/ocr-pipeline/ColumnControls.tsx b/admin-lehrer/components/ocr-pipeline/ColumnControls.tsx
index e551c98..df2d2ad 100644
--- a/admin-lehrer/components/ocr-pipeline/ColumnControls.tsx
+++ b/admin-lehrer/components/ocr-pipeline/ColumnControls.tsx
@@ -19,6 +19,7 @@ const TYPE_COLORS: Record<string, string> = {
   column_text: 'bg-cyan-100 text-cyan-700 dark:bg-cyan-900/30 dark:text-cyan-400',
   page_ref: 'bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-400',
   column_marker: 'bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400',
+  column_ignore: 'bg-gray-100 text-gray-500 dark:bg-gray-700/30 dark:text-gray-500',
   header: 'bg-gray-100 text-gray-600 dark:bg-gray-700/50 dark:text-gray-400',
   footer: 'bg-gray-100 text-gray-600 dark:bg-gray-700/50 dark:text-gray-400',
 }
@@ -30,6 +31,7 @@ const TYPE_LABELS: Record<string, string> = {
   column_text: 'Text',
   page_ref: 'Seite',
   column_marker: 'Marker',
+  column_ignore: 'Ignorieren',
   header: 'Header',
   footer: 'Footer',
 }
diff --git a/admin-lehrer/components/ocr-pipeline/ManualColumnEditor.tsx b/admin-lehrer/components/ocr-pipeline/ManualColumnEditor.tsx
index deea2d6..4994410 100644
--- a/admin-lehrer/components/ocr-pipeline/ManualColumnEditor.tsx
+++ b/admin-lehrer/components/ocr-pipeline/ManualColumnEditor.tsx
@@ -10,6 +10,7 @@ const COLUMN_TYPES: { value: ColumnTypeKey; label: string }[] = [
   { value: 'column_text', label: 'Text' },
   { value: 'page_ref', label: 'Seite' },
   { value: 'column_marker', label: 'Marker' },
+  { value: 'column_ignore', label: 'Ignorieren' },
 ]
 
 const TYPE_OVERLAY_COLORS: Record<string, string> = {
@@ -19,6 +20,7 @@ const TYPE_OVERLAY_COLORS: Record<string, string> = {
   column_text: 'rgba(6, 182, 212, 0.12)',
   page_ref: 'rgba(168, 85, 247, 0.12)',
   column_marker: 'rgba(239, 68, 68, 0.12)',
+  column_ignore: 'rgba(128, 128, 128, 0.06)',
 }
 
 const TYPE_BADGE_COLORS: Record<string, string> = {
@@ -28,6 +30,7 @@ const TYPE_BADGE_COLORS: Record<string, string> = {
   column_text: 'bg-cyan-100 text-cyan-700 dark:bg-cyan-900/30 dark:text-cyan-400',
   page_ref: 'bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-400',
   column_marker: 'bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400',
+  column_ignore: 'bg-gray-100 text-gray-500 dark:bg-gray-700/30 dark:text-gray-500',
 }
 
 // Default column type sequence for newly created columns
diff --git a/klausur-service/backend/ocr_pipeline_api.py b/klausur-service/backend/ocr_pipeline_api.py
index 1c1f070..7315f49 100644
--- a/klausur-service/backend/ocr_pipeline_api.py
+++ b/klausur-service/backend/ocr_pipeline_api.py
@@ -753,6 +753,7 @@ async def _get_columns_overlay(session_id: str) -> Response:
         "column_text": (200, 200, 0),     # Cyan/Turquoise
         "page_ref": (200, 0, 200),        # Purple
         "column_marker": (0, 0, 220),     # Red
+        "column_ignore": (180, 180, 180), # Light Gray
         "header": (128, 128, 128),        # Gray
         "footer": (128, 128, 128),        # Gray
     }