T. J. Ryan (born 12 November 1974) is an Irish hurling selector and player. He is a former manager of the Limerick senior hurling team.

Born in Garryspillane, County Limerick, Ryan first arrived on the inter-county scene when he first linked up with the Limerick minor team, before later joining the under-21 side. He made his senior debut during the 1994 championship. Ryan played a key role for Limerick for over a decade and won two Munster medals and one National Hurling League medal. He was an All-Ireland runner-up on two occasions.

As a member of the Munster inter-provincial team on a number of occasions, Ryan won two Railway Cup medals in 2000 and 2001. At club level he is a one-time championship medallist with Garryspillane.

Throughout his inter-county career Ryan made 40 championship appearances for Limerick. He announced his retirement from inter-county hurling on 25 July 2006.

In retirement from playing Ryan became involved in team management and coaching at club and inter-county levels. He had a successful tenure as manager of the Kilworth club team, before later being appointed selector with the Limerick senior team and manager with the Limerick under-21 team. Ryan was appointed joint-manager of the Limerick senior team in 2013, taking full responsibility the following year after the departure of Dónal O'Grady.