| Official Name: | Alontsevo |
| Native Name: | Алонцево |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Volgograd Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Volgograd Oblast |
| Subdivision Name3: | Kikvidzensky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +4:00 |
| Coordinates: | 50.9°N 44°W[1] |
Alontsevo (Russian: Алонцево) is a rural locality (a selo) in Zavyazenskoye Rural Settlement, Kikvidzensky District, Volgograd Oblast, Russia. The population was 213 as of 2010.[2] There are 3 streets.[3]
Alontsevo is located on Khopyorsko-Buzulukskaya plain, on the Zavyazka River, 20 km north of Preobrazhenskaya (the district's administrative centre) by road. Zavyazka is the nearest rural locality.[4]