15 is a 2003 Singaporean coming-of-age black comedy-drama film about teenage gangsters in the Singapore suburbs. Directed by Royston Tan, the film is an expanded version of Tan's 2002 award-winning short film, also titled 15. It is one of the few Singaporean films to feature brief full-frontal male nudity, together with the Singaporean-Thai film Pleasure Factory and the Singaporean-Hong Kong film Bugis Street.

Royston Tan is a Singaporean filmmaker and actor.