| Colombiers-du-Plessis | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Colombiers-du-Plessis 53.svg |
| Arrondissement: | Mayenne |
| Canton: | Gorron |
| Mayor: | Édith Divaret[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.3925°N -0.8392°W |
| Elevation M: | 230 |
| Elevation Min M: | 152 |
| Elevation Max M: | 242 |
| Area Km2: | 21.97 |
| Insee: | 53071 |
| Postal Code: | 53120 |
Colombiers-du-Plessis (in French pronounced as /kɔlɔ̃bje dy plɛsi/) is a commune in the Mayenne department in north-western France.