Cormac Bonnar (born 31 May 1959) is an Irish retired hurler.
His league and championship career with the Tipperary senior team spanned twelve seasons from 1980 to 1992.
Bonnar made his debut on the inter-county scene when he was selected for the Tipperary minor team.
He enjoyed one unsuccessful championship season with the minor team before subsequently becoming a dual player at under-21 level.
Bonnar was joined on the Tipperary team for much of his career by his brothers Colm and Conal.