Kormiltsev (Russian: Кормильцев) is a Russian masculine surname originating from the word kormilets meaning breadwinner; its feminine counterpart is Kormiltseva. The surname may refer to:
Ilya Kormiltsev (1959–2007), Russian poet, translator, and publisher Marina Mokhnatkina (née Kormiltseva in 1988), Russian sambo and mixed martial competitor Nikolai Kormiltsev (born 1946), Russian military officer Sergei Kormiltsev (born 1979), Russian football coach and former player