The USS Volga was a 24th century Federation Danube-class runabout operated by Starfleet. This ship was assigned to Deep Space 9.
In 2372, the Volga was used in a botanical survey of Torad V in the Gamma Quadrant. Major Kira and the pregnant Keiko O'Brien were injured when the Volga was struck by an asteroid and one of their fuel pods exploded. (DS9: "Body Parts")
It was also to be used in response to an anticipated Dominion invasion in 2373. (DS9: "By Inferno's Light")
The registry NCC-73196 for this runabout can be found in the Star Trek Encyclopedia (3rd ed., p. 475).
The Volga was named after the homonymous river in Western Russia.