| En Name: | Buinsk |
| Ru Name: | Буинск |
| Loc Name1: | Буа |
| Loc Lang1: | Tatar |
| Other Name: | Пӑва |
| Other Lang: | Chuvash |
| Coordinates: | 54.9667°N 65°W |
| Map Label Position: | right |
| Image Coa: | Buinsk COA (Simbirsk Governorate) (1778).png |
| Federal Subject: | Republic of Tatarstan |
| Adm Data As Of: | February 2014 |
| Adm City Jur: | town of republic significance of Buinsk |
| Adm Ctr Of1: | town of republic significance of Buinsk |
| Adm Ctr Of2: | Buinsky District |
| Inhabloc Cat: | Town |
| Mun Data As Of: | July 2010 |
| Mun District Jur: | Buinsky Municipal District |
| Urban Settlement Jur: | Buinsk Urban Settlement |
| Mun Admctr Of1: | Buinsky Municipal District |
| Mun Admctr Of2: | Buinsk Urban Settlement |
| Pop 2010Census: | 20352 |
| Established Date: | 1691 |
| Established Title: | First mentioned |
| Current Cat Date: | 1780 |
| Date: | February 2012 |
Buinsk (Russian: Буи́нск; Tatar: Буа; Chuvash: Пӑва, Păva) is a town in the Republic of Tatarstan, Russia, located on the left bank of the Karla River (left tributary of the Sviyaga), 137km (85miles) southwest of Kazan. Population:
It was first mentioned in a chronicle in 1691. Town status was granted to it in 1780.[1]
Within the framework of administrative divisions, Buinsk serves as the administrative center of Buinsky District, even though it is not a part of it.[2] As an administrative division, it is incorporated separately as the town of republic significance of Buinsk—an administrative unit with the status equal to that of the districts. As a municipal division, the town of republic significance of Buinsk is incorporated within Buinsky Municipal District as Buinsk Urban Settlement.[3]