Marinsky () is a rural locality (a khutor) in Bolshevistskoye Rural Settlement, Yelansky District, Volgograd Oblast, Russia. The population was 342 as of 2010. There are 3 streets.
Marinsky is located on Khopyorsko-Buzulukskaya Plain, on the left bank of the Buzuluk River, 56 km south of Yelan (the district's administrative centre) by road. Bolshevik is the nearest rural locality.