Jack Lambert may refer to:

• Jack Lambert (British actor) (1899–1976), British actor
• Jack Lambert (footballer, born 1902) (1902–1940), English footballer
• Jack Walter Lambert (1917–1986), English arts journalist, editor and broadcaster
• Jack Lambert (American actor) (1920–2002), American actor
• Jack Lambert (American football) (born 1952), American football player
• Jack Lambert (footballer, born 1999) (born 1999), English footballer