Voznesenka () is a rural locality (a selo) in Tsentralny Selsoviet, Rodinsky District, Altai Krai, Russia. The population was 394 in 2013. There are 6 streets.
Voznesenka is located 27 km southeast of Rodino (the district's administrative centre) by road. Tsentralnoye is the nearest rural settlement. The Kuchuk River has its sources to the south of the village.