Brendan Keeshan (22 July 1957) is an Irish retired hurler who played as a right wing-back for the Offaly senior team.

Born in Shinrone, County Offaly, Keeshan first played competitive hurling in his youth. He made his senior debut with Offaly during the 1976-77 National League and immediately became a regular member of the team. During his career Keeshan won two All-Ireland medals and three Leinster medals.

Keeshan was a member of the Leinster inter-provincial team on a number of occasions, however, he never won a Railway Cup medal. At club level he played with Shinrone.^{[citation needed]}

His retirement came following the conclusion of the 1988 championship.^{[citation needed]}