| Thoirette-Coisia | |
| Commune Status: | Commune |
| Arrondissement: | Lons-le-Saunier |
| Canton: | Moirans-en-Montagne |
| Insee: | 39530 |
| Postal Code: | 39240 |
| Mayor: | Hervé Brunet[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 46.272°N 5.533°W |
| Area Km2: | 15.50 |
Thoirette-Coisia (in French pronounced as /twaʁɛt kwazja/) is a commune in the department of Jura, eastern France. The municipality was established on 1 January 2017 by merger of the former communes of Thoirette (the seat) and Coisia.[2]