| Theillement | |
| Arrondissement: | Bernay |
| Canton: | Bourgtheroulde-Infreville |
| Commune: | Thénouville |
| Insee: | 27626 |
| Postal Code: | 27520 |
| Coordinates: | 49.2889°N 0.8003°W |
| Elevation M: | 130 |
| Elevation Min M: | 85 |
| Elevation Max M: | 149 |
| Area Km2: | 7.14 |
| Population: | 425 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Theillement (in French pronounced as /tɛjmɑ̃/) is a former commune in the Eure department in Normandy in northern France. On 1 January 2017, it was merged into the new commune Thénouville.[2]