Novovoznesenka () is a rural locality (a selo) in Slavgorod Municipality, Altai Krai, Russia. The population was 932 as of 2013. There are 10 streets.
Novovoznesenka lies in the Kulunda Steppe, to the northwest of lake Belenkoye and to the northwest of lake Maloye Yarovoye. It is located to the ENE of Slavgorod town, the centre of the municipality. Danilovka is the nearest rural locality.