| Official Name: | Starosemenkino |
| Native Name: | Старосеменкино |
| Native Name Lang: | ru |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Bashkortostan#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Bashkortostan |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Belebeyevsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +5:00 |
| Coordinates: | 54.3333°N 71°W[1] |
Starosemenkino (Russian: links=no|Старосеменкино) is a rural locality (a selo) and the administrative centre of Semenkinsky Selsoviet, Belebeyevsky District, Bashkortostan, Russia. The population was 437 as of 2010.[2] There are 8 streets.
Starosemenkino is located 32 km northeast of Belebey (the district's administrative centre) by road. Karanay is the nearest rural locality.[3]