Aaron Callaghan (8 October, 1966) is the current assistant manager and former manager for the Irish football club Longford Town FC.

Apart from a recent brief spell as Athlone Town manager, Aaron has been a coach at Longford Town since July 2002. Aaron works as a sports officer in his home city of Dublin. He had a very distinguished career as a defender both at home and in England. Previously Aaron has played for Stoke City, Crewe Alexandra, Oldham Athletic, Preston North End, Shelbourne, St. Pats, Crusaders, Glenavon, and Dundalk. He made his début in League of Ireland for Shelbourne in 1995 & his numerous honours include winning the FAI Cup with Dundalk, 2 Irish League titles with Crusaders, FAI League Cup winner with Shels & also a second Division Championship with Oldham Athletic.

Aaron has also won U21 caps for Ireland. The most influential figures on his soccer career to date include his wife, the legendary Crewe manager Dario Gradi and Tony Lacey . Aaron's favourite player is Alan Hansen. Apart from being player-manager of Crusader, Aaron's proudest moment of his career was when he made his début in the English top flight Division for Potteries club Stoke City in 1984.