Alexandrovka () is a rural locality (a selo) in Altaysky Selsoviet, Tabunsky District, Altai Krai, Russia. The population was 214 as of 2013. There are 4 streets.
Alexandrovka lies in the Kulunda Steppe by lake Bolshoye Tabuny and to the SSE of lake Bolshoye Yarovoye. It is located 12 km southwest of Tabuny (the district's administrative centre) by road. Novokiyevka is the nearest rural locality.