One. Davey O'Brien - 1938
6, but Archie Griffin won 2 so they have 7 total Heisman trophies.
None so far, but Joey Harrington, (an Oregon quarterback), was a finalist for the Heisman.
A school does not win the Heisman, it is won by an individual player. Players from Ohio State have won the Heisman seven times including the only player to win it twice (Archie Griffin).
The top three players to receive votes are usually invited to the Heisman Trophy presentation.
6 Buckeyes have won 7 Heisman trophies: 2006 - Troy Smith 1995 - Eddie George 1974 and 1975 - Archie Griffin 1955 - Howard Cassady 1950 - Vic Janowicz 1944 - Les Horvath
There are many trophies that are given out as awards in football. One of the winners for 2012 trophies is Johnny Manziel of Texas winning the Heisman Trophy.