Tomás Mulcahy (born 26 June 1963) is an Irish retired hurler and Gaelic footballer who played as a right corner-forward for the Cork senior hurling team.
Born in Blackpool, Cork, Mulcahy first excelled at Gaelic games during his schooling at the North Monastery. He arrived on the inter-county scene at the age of seventeen when he first linked up with the Cork minor teams as a dual player before later joining the under-21 sides. He made his senior hurling debut during the 1983 championship. Mulcahy immediately became a regular member of the starting fifteen and won three All-Ireland medals, five Munster medals and one National Hurling League medal. The All-Ireland-winning captain of 1990, he was an All-Ireland runner-up on two occasions.
As a member of the Munster inter-provincial team on a number of occasions, Mulcahy won two Railway Cup medals. At club level he is a one-time championship medallist with Glen Rovers.
Mulcahy's father, Gerald Mulcahy, also played for Cork.
Throughout his career Mulcahy made 27 championship appearances. His retirement came following the conclusion of the 1994 championship.