| Teyssieu | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Teyssieu 46.svg |
| Arrondissement: | Figeac |
| Canton: | Cère et Ségala |
| Insee: | 46315 |
| Postal Code: | 46190 |
| Mayor: | Sylvain Diaz[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Causses et Vallée de la Dordogne |
| Coordinates: | 44.9192°N 1.9556°W |
| Elevation M: | 425 |
| Elevation Min M: | 233 |
| Elevation Max M: | 566 |
| Area Km2: | 13.63 |
Teyssieu (in French pronounced as /tɛsjø/; Occitan (post 1500);: Teissiu) is a commune in the Lot department in south-western France.