Steve Mahon (born 6 December 1957) is an Irish retired hurler who played as a midfielder for the Galway senior team.
Born in Kilbeacanty, County Galway, Mahon first played competitive hurling whilst at Ballyturn National School. He made his first impression on the inter-county scene when he joined the Galway under-21 team. He made his senior debut during the 1978-79 National Hurling League. Mahon went on to play a key role for Galway for almost a decade, and won two All-Ireland medals on the field of play and one National Hurling League medal. He was an All-Ireland runner-up on four occasions.
As a member of the Connacht inter-provincial team at various times throughout his career, Mahon won five Railway Cup medals. At club level he is a one-time intermediate championship medallist with Kilbeacanty.
Throughout his career Mahon made 22 championship appearances for Galway. His retirement came following the conclusion of the 1988 championship.