1966 North American Championships - IFBB
| Overall Winner Frank Zane | |
Tall | |
| 1 | David Sheppard (2) |
| 2 | Tony Carroll |
| 3 | John Romeo |
Medium | |
| 1 | Frank Zane |
| 2 | Allen Keene |
| 3 | Gary Levy |
Short | |
| 1 | Johnny Maldonado |
| 2 | B Bergeron |
| 3 | Paul Mastropasqua |
Most Muscular | |
| 1 | Johnny Maldonado |
Teen | |
| 1 | Tommy Aybar |
| 2 | Vinnie Reno |