| En Name: | Mariinsk |
| Ru Name: | Мариинск |
| Coordinates: | 56.2°N 134°W |
| Map Label Position: | top |
| Image Coa: | Mariinsk-herb.png |
| Federal Subject: | Kemerovo Oblast |
| Adm City Jur: | Mariinsk Town Under Oblast Jurisdiction |
| Adm Ctr Of1: | Mariinsky District |
| Adm Ctr Of2: | Mariinsk Town Under Oblast Jurisdiction |
| Inhabloc Cat: | Town |
| Mun District Jur: | Mariinsky Municipal District |
| Urban Settlement Jur: | Mariinskoye Urban Settlement |
| Mun Admctr Of1: | Mariinsky Municipal District |
| Mun Admctr Of2: | Mariinskoye Urban Settlement |
| Pop 2010Census: | 40526 |
| Established Date: | 18th century |
| Current Cat Date: | 1856 |
| Prev Name1: | Kiyskoye |
| Postal Codes: | 652150, 652152–652156, 652159 |
| Website: | http://www.gorod-mariinsk.ru/ |
Mariinsk (ru|link=no|Мариинск) is a town in Kemerovo Oblast, Russia, where the Trans-Siberian Railway crosses the Kiya River (Ob's basin), 180km (110miles) northeast of Kemerovo, the administrative center of the oblast. Population: 39,700 (1972).
It was founded in the 18th century as the village of Kiyskoye (Russian: Кийское). In 1856, it was granted town status as Kiysk and renamed Mariinsk after Empress Maria, consort of Alexander II, one year later.[1]
Within the framework of administrative divisions, Mariinsk serves as the administrative center of Mariinsky District, even though is not a part of it.[2] As an administrative division, it is incorporated separately as Mariinsk Town Under Oblast Jurisdictionan administrative unit with a status equal to that of the districts. As a municipal division, Mariinsk Town Under Oblast Jurisdiction is incorporated within Mariinsky Municipal District as Mariinskoye Urban Settlement.[3]