1977 Junior Mr America - AAU
| Overall Winner Mario Nieves | |
Tall | |
| 1 | Dan Tobol |
| 2 | Homer Gassett |
| 3 | Ray Riley |
| 4 | John Harms |
| 5 | Johnny Howie |
| 6 | Gene Piatek |
| 7 | Neil Hastey |
| 8 | Louie Perotta |
Medium | |
| 1 | Robert Reis |
| 2 | Fred Shandor |
| 3 | Paul Santos |
| 4 | Pat Stewart |
| 5 | Sam Sanchez |
| 6 | John Mazos |
Short | |
| 1 | Mario Nieves |
| 2 | Jim Davis |
| 3 | Greg Silha |
| 4 | John Boos |
| 5 | Robert DePalma |
| 6 | Charles Toliver |
| 7 | Tony D'Alie |