| Official Name: | Lyamtsa |
| Native Name: | Лямца |
| Settlement Type: | Village |
| Pushpin Map: | Russia Arkhangelsk Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Arkhangelsk Oblast |
| Subdivision Name3: | Onezhsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 64.4333°N 41°W[1] |
Lyamtsa (Russian: Лямца) is a rural locality (a village) in Pokrovskoye Rural Settlement of Onezhsky District, Arkhangelsk Oblast, Russia. The population was 115 as of 2010.[2] There are 5 streets.
Lyamtsa is located 129 km northwest of Onega (the district's administrative centre) by road. Purnema is the nearest rural locality.[3]