| En Name: | Bay-Khaak |
| Ru Name: | Бай-Хаак |
| Loc Name1: | Бай-Хаак |
| Loc Lang1: | Tuvan |
| Coordinates: | 51.1606°N 94.4658°W |
| Map Label Position: | right |
| Federal Subject: | Tuva |
| Adm District Jur: | Tandinsky District |
| Adm Selsoviet Type: | Sumon |
| Adm Selsoviet Jur: | Bay-Khaaksky |
| Adm Selsoviet Jur Ref: | [1] |
| Adm Ctr Of1: | Tandinsky District |
| Adm Ctr Of2: | Bay-Khaaksky Sumon |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Tandinsky Municipal District |
| Mun District Jur Ref: | [2] |
| Rural Settlement Jur: | Bay-Khaaksky Sumon Rural Settlement |
| Mun Admctr Of1: | Tandinsky Municipal District |
| Mun Admctr Of2: | Bay-Khaaksky Sumon Rural Settlement |
| Pop 2010Census: | 2981 |
Bay-Khaak (Russian: Бай-Хаак; Tuvinian: Бай-Хаак, Bay-Xaak) is a rural locality (a selo) and the administrative center of Tandinsky District of Tuva, Russia. Population: