1983 Mr Coastal USA - AAU
| Overall Winner Tim Underwood | |
Tall | |
| 1 | James Insko |
| 2 | Troy Beck |
| 3 | Gil Fernandez |
| 4 | Willie Johnson |
| 5 | Don Stenger |
Medium | |
| 1 | Ted Capp |
| 2 | Paul Genet |
| 3 | Calvin Long |
| 4 | Paul Druash |
| 5 | Noah Dixon |
Short | |
| 1 | Tim Underwood |
| 2 | James Hampton |
| 3 | Jerry Schwenker |
| 4 | Carl Panebiango |
| 5 | Keith Bogoff |
Teen Overall Winner Greg Teague | |
Teen Tall | |
| 1 | Greg Teague |
| 2 | Chris Hardin |
| 3 | Bill Daw |
Teen Medium | |
| 1 | Barry Coleman |
| 2 | Todd Nelson |
| 3 | Danny Owens |
Teen Short | |
| 1 | Ulrich Bien Amim |
| 2 | Herbert Stephens |
| 3 | Kenneth Phillips |
Junior Overall Winner James Hellwig | |
Junior - Tall | |
| 1 | James Hellwig |
| 2 | John Carpenter |
| 3 | Dee Prince |
Junior - Medium | |
| 1 | Jimmy Lindsey |
| 2 | Stockl Walter |
Junior - Short | |
| 1 | Chris Wagner |
| 2 | Danny Farmer |