1978 Teen Mr America - AAU
| Overall Winner Rudy Hermosillo | |
Tall | |
| 1 | Ken Cole |
| 2 | John Carter |
| 3 | Jeff McBride |
| 4 | Curt Mann |
| 5 | Fran Crawford |
| 6 | John Feloni |
| 7 | Patrick Martin |
| 8 | George Gondoras |
| 9 | William Richard |
| 10 | Bigfoot Elkund |
Medium | |
| 1 | Keith Bogoff |
| 2 | Bill Cummerford |
| 3 | Bill Cambra |
| 4 | Charles Wispert |
| 5 | Rodney Dias |
| 6 | John Cavallo |
| 7 | Rocky Edwards |
| 8 | Lance Guerin |
| 9 | Ross Bon Figlio |
| 10 | Eric Harth |
Short | |
| 1 | Rudy Hermosillo |
| 2 | John Pryor |
| 3 | Mitchell Glaude |
| 4 | Steve DeBry |
| 5 | Brian Mott |
| 6 | Eddie Pessalano |
| 7 | Ron Briggs |
| 8 | Mark Stockbury |
| 9 | James Mulzac |
| 10 | Harry Spencer |