The Adventure of the Ambassador's Disappearance
- annos singulos: 1913
- Patriam: United States of America
- genus: Drama, Mystery
- Studio: Vitagraph Company of America
- keyword: lost film
- Director: Maurice Costello
- cast: Maurice Costello, Charles Eldridge, Rosemary Theby, Earle Williams, Robert Gaillard, Barney Reed
