The Adventure of the Ambassador's Disappearance
- taona: 1913
- Firenena: United States of America
- Genre: Drama, Mystery
- Studio: Vitagraph Company of America
- Keyword: lost film
- tale: Maurice Costello
- Cast: Maurice Costello, Charles Eldridge, Rosemary Theby, Earle Williams, Robert Gaillard, Barney Reed
