Calladine

Calladine is an English surname, originating in Nottinghamshire. While its exact meaning is unknown, it could possibly be a variant of Carwardine. Notable people with the surname include:
 * Charlie Calladine (1911–1983), English professional footballer
 * Christopher Calladine (born 1935), British engineer
 * Norm Calladine (1914–1988), professional ice hockey player