| Official Name: | Dolgo-Makhovatka |
| Native Name: | Долго-Маховатка |
| Native Name Lang: | ru |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Voronezh Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Voronezh Oblast |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Semiluksky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 51.8833°N 69°W[1] |
Dolgo-Makhovatka (Russian: links=no|Долго-Маховатка) is a rural locality (a selo) in Novosilskoye Rural Settlement, Semiluksky District, Voronezh Oblast, Russia. The population was 69 as of 2010.[2] There are 3 streets.[3]
Dolgo-Makhovatka is located on the right bank of the Olshanka River, 59 km northwest of Semiluki (the district's administrative centre) by road. Staraya Olshanka is the nearest rural locality.[4]