Chuck is a masculine given name or a nickname for Charles or Charlie. It may refer to:
Fictional characters
Chuck (Stargate), from the Stargate TV series
Chuck Chicken, the titular character of the Malaysian animated series of the same name
Chuck Billy (Chuck Billy 'n' Folks), Monica's Gang and Chuck Billy 'n' Folks
Chuck Bartowski, on the American TV show Chuck
Chuck Bass, from the television series Gossip Girl
Chuck Chambers, a character from iCarly
Charlotte "Chuck" Charles, from the TV series Pushing Daisies
Chuck E. Cheese, an anthropomorphic restaurant mascot
Chuck McGill, from the American TV series Better Call Saul
Chuck Rock, from the eponymous video game