| Official Name: | Fomyonkovo |
| Native Name: | Фомёнково |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Volgograd Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Volgograd Oblast |
| Subdivision Name3: | Zhirnovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +4:00 |
| Coordinates: | 50.65°N 83°W[1] |
Fomyonkovo (Russian: Фомёнково) is a rural locality (a selo) in Krasnoyarskoye Rural Settlement, Zhirnovsky District, Volgograd Oblast, Russia. The population was 92 as of 2010.[2] There are 5 streets.[3]
Fomyonkovo is located on the bank of the Medveditsa River, 46 km south of Zhirnovsk (the district's administrative centre) by road. Krasny Yar is the nearest rural locality.[4]