"I'm a Man Not a Boy" is the second single by British singer and actor Chesney Hawkes.

Written by Hawkes, Nigel Hinton and John Wesley Harding, and produced by Alan Shacklock, it was released in June 1991 by Chrysalis and included in the 1991 film Buddy's Song, with Hawkes as Buddy and Roger Daltrey (of rock band the Who) as his father.

37 and climbed to a peak position of No.

27 a week later, making it the second of two of Hawkes' singles to enter the top 40.

This 1990s rock song-related article is a stub.