Kal is both a given name and a surname. Notable people with the name include:
Given name:
Kal Daniels (born 1963), former Major League Baseball outfielder
Kal Mann (1917–2001), American lyricist
Kal Naismith (born 1992), Scottish footballer
Kal Penn (born 1977), American actor, producer and civil servant, best known for the TV series House and the Harold and Kumar films
Surname:
Ken Kal (born 1957), American disc jockey and reporter
Miraç Kal (born 1987), Turkish cyclist
Paulus Kal, 15th-century German fencing master
Paweł Kal (born 1989), Polish footballer