| En Name: | Kuybyshevsky Zaton |
| Ru Name: | Куйбышевский Затон |
| Loc Name1: | Затун |
| Loc Lang1: | Tatar |
| Map Label Position: | right |
| Coordinates: | 55.1667°N 60°W |
| Federal Subject: | Republic of Tatarstan |
| Adm District Jur: | Kamsko-Ustyinsky District |
| Inhabloc Cat: | Urban-type settlement |
| Mun District Jur: | Kamsko-Ustyinsky Municipal District |
| Urban Settlement Jur: | Kuybyshevsky Zaton Urban Settlement |
| Mun Admctr Of: | Kuybyshevsky Zaton Urban Settlement |
| Pop 2010Census: | 2677 |
| Established Date: | beginning of the 17th century |
| Current Cat Date: | 1929 |
| Prev Name1: | Spassky Zaton |
| Postal Codes: | 422826 |
Kuybyshevsky Zaton (ru|Ку́йбышевский Зато́н; tt-Cyrl|Затун) is an urban locality (an urban-type settlement) in Kamsko-Ustyinsky District of the Republic of Tatarstan, Russia, located on the shores of Kuybyshev Reservoir, 9km (06miles) from Kamskoye Ustye, the administrative center of the district. As of the 2010 Census, its population was 2,677.
It was established in the beginning of the 17th century and was granted urban-type settlement status in 1929.[1] Until 1935, it was known as Spassky Zaton (Russian: Спасский Затон).
Within the framework of administrative divisions, the urban-type settlement of Kuybyshevsky Zaton is subordinated to Kamsko-Ustyinsky District.[2] As a municipal division, Kuybyshevsky Zaton is incorporated within Kamsko-Ustyinsky Municipal District as Kuybyshevsky Zaton Urban Settlement.[3]
As of 1997, the main industrial enterprise in Kuybyshevsky Zaton was the oil tanker service station.
| Kuybyshevsky Zaton population | |
| Bodystyle: | width:23.5em |
| Label1: | 2010 Census |
| Data1: | 2,677 |
| Label2: | 2002 Census |
| Data2: | 2,914 |
| Label3: | 1989 Census |
| Data3: | 2,922 |
| Label4: | 1979 Census |
| Data4: | 3,171 |
As of 1989, the population was mostly Russian (80.2%), Tatar (17.6%), and Chuvash (1.0%).