| Official Name: | Sysoikha |
| Native Name: | Сысоиха |
| Settlement Type: | Village |
| Pushpin Map: | Russia Vologda Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Vologda Oblast |
| Subdivision Name3: | Kharovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 59.8667°N 98°W[1] |
Sysoikha (Russian: Сысоиха) is a rural locality (a village) in Kharovskoye Rural Settlement, Kharovsky District, Vologda Oblast, Russia. The population was 5 as of 2002.[2]
Sysoikha is located 17 km southwest of Kharovsk (the district's administrative centre) by road. Zakharovskoye is the nearest rural locality.[3]