Jack Campbell may refer to:

• Jack Campbell (fl. c. 2000), pseudonym for American science fiction author John G. Hemry
• Jack M. Campbell (1916–1999), American politician
• Jackie Campbell (born 1946), Scottish footballer for Partick Thistle
• Jack Campbell (actor) (born 1970), Australian actor
• Jack Campbell (ice hockey) (born 1992), American ice hockey goaltender
• Jack Campbell (golfer) (1878–1955), Scottish golfer
• Jack Campbell (Sioux Indian), led an attack against Mankato, Minnesota Territory, see Department of the Northwest