I Not Stupid is a 2002 Singaporean comedy film about the lives, struggles and adventures of three Primary 6 pupils who are placed in the academically inferior EM3 stream. Written and directed by Jack Neo, and produced by Mediacorp Raintree Pictures, the film stars Huang Po Ju, Shawn Lee, Joshua Ang, Xiang Yun, Jack Neo, Richard Low and Selena Tan.

Jack Neo Chee Keong is a Singaporean filmmaker, comedian and actor who was a full-time Mediacorp artiste from 1983 to 2003. In the 1990s and early 2000s, he was best known for his cross-dressing roles, as "Liang Po Po" and "Liang Xi Mei" in the long-running television comedy show Comedy Nite.