diff --git a/src/WinUI.TableView/TableViewColumn.cs b/src/WinUI.TableView/TableViewColumn.cs
index aeed4b8..7b7e722 100644
--- a/src/WinUI.TableView/TableViewColumn.cs
+++ b/src/WinUI.TableView/TableViewColumn.cs
@@ -89,6 +89,12 @@ public Visibility Visibility
         set => SetValue(VisibilityProperty, value);
     }
 
+    public object Tag
+    {
+        get => GetValue(TagProperty);
+        set => SetValue(TagProperty, value);
+    }
+
     internal double DesiredWidth
     {
         get => _desiredWidth;
@@ -171,4 +177,5 @@ private static void OnVisibilityChanged(DependencyObject d, DependencyPropertyCh
     public static readonly DependencyProperty CanResizeProperty = DependencyProperty.Register(nameof(CanResize), typeof(bool), typeof(TableViewColumn), new PropertyMetadata(true));
     public static readonly DependencyProperty IsReadOnlyProperty = DependencyProperty.Register(nameof(IsReadOnly), typeof(bool), typeof(TableViewColumn), new PropertyMetadata(false, OnIsReadOnlyChanged));
     public static readonly DependencyProperty VisibilityProperty = DependencyProperty.Register(nameof(Visibility), typeof(Visibility), typeof(TableViewColumn), new PropertyMetadata(Visibility.Visible, OnVisibilityChanged));
+    public static readonly DependencyProperty TagProperty = DependencyProperty.Register(nameof(Tag), typeof(object), typeof(TableViewColumn), new PropertyMetadata(null));
 }
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