About a Boy is a 2002 comedy-drama film directed by Paul Weitz and Chris Weitz, who co-wrote the screenplay with Peter Hedges. It is an adaptation of the 1998 novel by Nick Hornby. The film stars Hugh Grant, Nicholas Hoult, Toni Collette, and Rachel Weisz. The film at times uses double voice-over narration, when the audience hears alternately Will's and Marcus's thoughts.

The film was theatrically released on 26 April 2002 by Universal Pictures. It was nominated for an Academy Award for Best Adapted Screenplay. Actors Hugh Grant and Toni Collette were nominated for a Golden Globe and a BAFTA Award, respectively, for their performances. The film received positive reviews from critics and earned $130.5 million against a $30 million budget.