| En Name: | Yershov |
| Ru Name: | Ершов |
| Coordinates: | 51.35°N 64°W |
| Map Label Position: | bottom |
| Federal Subject: | Saratov Oblast |
| Adm District Jur: | Yershovsky District |
| Adm Ctr Of: | Yershovsky District |
| Inhabloc Cat: | Town |
| Mun District Jur: | Yershovsky Municipal District |
| Urban Settlement Jur: | Yershov Urban Settlement |
| Mun Admctr Of1: | Yershovsky Municipal District |
| Mun Admctr Of1 Ref: | [1] |
| Mun Admctr Of2: | Yershov Urban Settlement |
| Pop 2010Census: | 21448 |
| Established Date: | 1894 |
| Current Cat Date: | 1963 |
| Postal Codes: | 413500, 413502, 413503 |
| Dialing Codes: | 84564 |
Yershov (Russian: Ершо́в) is a town and the administrative center of Yershovsky District in Saratov Oblast, Russia, located in the upper streams of the Maly Uzen River, 178km (111miles) east of Saratov, the administrative center of the oblast. Population:
It was founded as a settlement serving the Yershovo railway station, which was opened in 1894 and named after the engineer who was in charge of building it. Town status was granted to Yershovo in 1963, at which time it was also given its present name.
Within the framework of administrative divisions, Yershov serves as the administrative center of Yershovsky District, to which it is directly subordinated.[2] As a municipal division, the town of Yershov, together with four rural localities, is incorporated within Yershovsky Municipal District as Yershov Urban Settlement.[3]