Agent 13 may refer to:
- Agent 13: The Midnight Avenger, a spy fiction series published by TSR from 1986 to 1988, and the name of the main character
- Agent 13: The Invisible Empire (1986), the first book in the series
- Agent 13: The Serpentine Assassin (1986), the second book in the series
- Fury/Agent 13 (1998), a comic book miniseries published by Marvel Comics
- Agent 13 (comics) or Sharon Carter, a character in the series
- Agent 13 (Marvel Cinematic Universe), an adaptation of the character
- Agent 13 (comics) or Sharon Carter, a character in the series
- Agent 13, a supporting character in the spy parody TV series Get Smart
- Agent K-13/Fang, a poorly trained CONTROL dog in the 1960s television series Get Smart
This disambiguation page lists articles associated with the title Agent 13.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: