Calley is the surname of:

People

• Brian Calley (born 1977), American politician, Lieutenant Governor of Michigan
• Henry Calley (1914–1997), English Second World War bomber pilot and politician
• John Calley (1930–2011), American film studio executive and producer
• John Calley (engineer) (1663–1717), metalworker, plumber and glass-blower who helped develop Thomas Newcomen's steam engine
• Roy Calley, English journalist
• Samuel Calley (1821–1883), American politician
• Thomas Calley (politician) (1780-1836), British politician
• Thomas Calley (British Army officer) (1856–1932), British Army major-general and politician
• William Calley (born 1943), former U.S. Army officer involved in the My Lai Massacre

Fictional characters

• Byron Calley, better known as Burner (comics), a Marvel Comics mutant
• Calley, a character from the U.K. television series Chuggington.
• Clifford Calley, on the U.S. television series The West Wing, played by Mark Feuerstein