• Kolya, a diminutive variant of
Nikolai •
Kolya the Obscure, nickname of Nikolay Davydenko (born 1981), Russian tennis player •
Kolya Korobov (born 2004), Russian singer and actor •
Kolya Lukashenko (born 2004), son of Alexander Lukashenko, Belarusian president •
Kolya Vasin (1945–2018), Russian music historian and writer, one of the main popularizers of the Beatles inside the USSR and Russia ==Arts and entertainment==