1990 Junior Nationals - NPC
| Overall Winner Robert Rothrock | |
HeavyWeight | |
| 1 | Robert Rothrock |
| 2 | Ken Wheeler (Flex) |
| 3 | Paul Demayo |
| 4 | Mark Bruyninga |
| 5 | Kurt Joseph |
Light-HeavyWeight | |
| 1 | Jeff Gauthier |
| 2 | Errol Broussard |
| 3 | Michael Fedunok |
| 4 | Ming Chew |
| 5 | Jessie Lipoma |
MiddleWeight | |
| 1 | Monty Webb |
| 2 | Marco Demonaco |
| 3 | Frank Burgard |
| 4 | Victor Whiteman |
| 5 | Steve Dufrene |
LightWeight | |
| 1 | Hans Vander Gronden |
| 2 | Bill Loomis |
| 3 | Bryon Nakasone |
| 4 | Scott Cohen |
| 5 | Roddy Gaubert |
BantamWeight | |
| 1 | Anthony Moore |
| 2 | Narrah Howard |
| 3 | Richard Krall |
| 4 | Dave Beretsky |
| 5 | Vincent Stout |