Dmitriyevka () is a rural locality (a settlement) in Pervoertilskoye Rural Settlement, Ertilsky District, Voronezh Oblast, Russia. The population was 302 as of 2010. There are 4 streets.
Dmitriyevka is located 10 km south of Ertil (the district's administrative centre) by road. Ertil is the nearest rural locality.