Sene-Purnas () is a rural locality (a village) in Mikhaylovsky Selsoviet, Bizhbulyaksky District, Bashkortostan, Russia. The population was 15 as of 2010. There is 1 street.
Sene-Purnas is located 25 km northwest of Bizhbulyak (the district's administrative centre) by road. Kistenli-Ivanovka is the nearest rural locality.