Joshua Ang Ser Kian (Chinese: 洪賜健; Pe̍h-ōe-jī: Âng Sù-kiān) is a former Mediacorp artiste from Singapore who starred alongside Shawn Lee in the film I Not Stupid and its sequel I Not Stupid Too.
Ang began acting in 2001 and was one of four child actors who were cast by Jack Neo and his team in the box office hit I Not Stupid. He was cast in Homerun, another successful film. Ang soon rose to stardom and was cast in more films, including Nobody's Child. In 2008, after completing his National Service, Ang signed a contract with Mediacorp as a full-time artiste. Ang also starred in Mediacorp Channel 8's 180 episode drama, Your Hand in Mine.