1990 North American Championships - IFBB
| Overall Winner Debbie Muggli | |
HeavyWeight | |
| 1 | Debbie Muggli |
| 2 | Nikki Fuller |
| 3 | Gisele Sass |
MiddleWeight | |
| 1 | Vicki Sims |
| 2 | DeLois Thomas |
| 3 | Linda Feid |
| 4 | Brenda Hoiles |
| 5 | Kristie Kelly |
| 6 | Celina Martins |
LightWeight | |
| 1 | Paula Piwarunas |
| 2 | Mary Homier |
| 3 | Pat Anderson |
| 4 | Khrystan Renfro |
| 5 | Mimi D'Attomo |
| 6 | Lynn Poole |
| 7 | Sandra Lee |