No Good Deed is a 2017 American superhero short film featuring the Marvel Comics character Deadpool. The film was directed by David Leitch from a script by Rhett Reese and Paul Wernick, with Ryan Reynolds starring as Deadpool. In No Good Deed, Wade Wilson tries to save an old man from a mugger, but fails because he takes the time to change into his Deadpool costume first.

Shortly before the release of the 2017 film Logan, its theatrical runtime was extended by several minutes. This was due to the addition of a Deadpool short film playing before Logan in place of a traditional post-credits scene. The short was filmed in December 2016 and serves as a tease for the feature film Deadpool 2, but is not a trailer for that film. It plays into Deadpool's characteristic humor in several ways, being based on an absurd premise that would not work in a feature film, having fourth wall-breaking references to Logan, making fun of the character Superman, and featuring a cameo by Stan Lee in one version.

No Good Deed was originally released by 20th Century Fox in front of Logan on March 3, 2017, and an alternate version of the short was released online by Reynolds the following day. Responses to the short praised it as a tease for Deadpool 2 and for showing that Leitch understands the character ahead of directing that film. Its humor was also highlighted by many critics.