| Official Name: | Hatsavan |
| Native Name: | Հացավան |
| Pushpin Map: | Armenia |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Armenia |
| Subdivision Type1: | Marz (Province) |
| Subdivision Name1: | Kotayk |
| Population As Of: | 2001 |
| Population Total: | 563 |
| Timezone: | |
| Utc Offset: | +4 |
| Timezone Dst: | |
| Utc Offset Dst: | +5 |
| Coordinates: | 40.1378°N 44.6522°W |
Hatsavan (Armenian: Հացավան, also Romanized as Hats’avan and Atsavan; formerly, Avdalar) is a town in the Kotayk Province of Armenia.