| En Name: | Aginskoye |
| Ru Name: | Агинское |
| Coordinates: | 51.1°N 144°W |
| Map Label Position: | right |
| Federal Subject: | Zabaykalsky Krai |
| Adm District Jur: | Aginsky District |
| Adm Ctr Of: | Aginsky District |
| Inhabloc Cat: | Urban-type settlement |
| Urban Okrug Jur: | Aginskoye Urban Okrug |
| Urban Okrug Jur Ref: | [1] |
| Mun Admctr Of: | Aginskoye Urban Okrug |
| Pop 2010Census: | 15596 |
| Established Date: | 1781 or 1811 |
| Established Date Ref: | |
| Current Cat Date: | 1959 |
| Postal Codes: | 687000, 687599 |
| Website: | http://go-aginskoe.ru/ |
Aginskoye (Russian: Аги́нское; Buriat: Ага, Aga; Mongolian: Аг, Ag) is an urban locality (an urban-type settlement) and the administrative center of Agin-Buryat Okrug and of Aginsky District in Zabaykalsky Krai, Russia. It is located in the valley of the Aga River (the Amur basin). Population: 7,200 (1967).
It was founded in 1781[2] or, according to other sources, in 1811.[3]
Within the framework of administrative divisions, Aginskoye serves as the administrative center of Aginsky District and is subordinated to it. As a municipal division, the urban-type settlement of Aginskoye together with one rural locality in Aginsky District is incorporated as Aginskoye Urban Okrug.[4]
Aginskoye experiences a dry-winter borderline humid continental climate/subarctic climate (Köppen climate classification: Dwb/Dwc) with very cold, very dry winters and warm, wet summers.