1980 Mr International - IFBB
| Overall Winner Andreas Cahling | |
HeavyWeight | |
| 1 | Billy Arlen |
| 2 | Scott Wilson |
| 3 | Wilhelm Houdk |
Light-HeavyWeight | |
| 1 | Andreas Cahling |
| 2 | Ron Teufel |
| 3 | Ulf Bengtsson |
MiddleWeight | |
| 1 | Len Archambault |
| 2 | Henry Caulker |
| 3 | Pat Laop |
LightWeight | |
| 1 | Renato Bertagna |
| 2 | Jean LeBlanc |
| 3 | Tevfik Ulusoglu |