| Taxiarchis | |
| Name Local: | Ταξιάρχης |
| Type: | community |
| Periph: | Western Macedonia |
| Periphunit: | Grevena |
| Population: | 200 |
| Population As Of: | 2021 |
| Area: | 22.83 |
| Coordinates: | 40.175°N 52.4°W |
| Postal Code: | 510 30 |
| Area Code: | +30-2462 |
| Licence: | PN |
| Elevation: | 640 |
Taxiarchis (before 1919: Κοτσκό – Kotsko,[1] between 1919 and 1927: Κοσκό – Kosko)[2] is a village and a community of the Grevena municipality. Before the 2011 local government reform it was a part of the municipality of Irakleotes, of which it was a municipal district.[3] The 2021 census recorded 200 residents in the village. The community of Taxiarchis covers an area of 22.83 km2.[4]