Demsino () is a rural locality (a village) in Churovskoye Rural Settlement, Sheksninsky District, Vologda Oblast, Russia. The population was 87 as of 2002.
Demsino is located 10.5 km east of Sheksna (the district's administrative centre) by road and 391 km north of Moscow, the country's capital. Slizovo is the nearest rural locality.