Kobylin (, from кобыла meaning mare) is a Russian masculine surname, its feminine counterpart is Kobylina. It may refer to Aleksandr Sukhovo-Kobylin (1817–1903), Russian nobleman and amateur playwright Feodor Koshka, born Feodor Andreevich Kobylin, died 1407, Russian nobleman Sofia Sukhovo-Kobylina (1825–1867), Russian painter