Nikolai Georgievich Bayev (Russian: Николай Георгиевич Баев; Armenian: Նիկողայոս Գևորգի Բաև, Nikoghayos Gevorki Bayev;[1][2] October 6, 1875 – August 5, 1952) was an Armenian[1] architect, who mainly worked in Baku in the 1910s and in Soviet Armenia since the 1920s.

He was a relative and childhood friend of Mariinsky Opera singer Nadezhda Papayan.

Bayev attended the Saint Petersburg Institute of Civil Engineering, from which he graduated in 1901.

[4] During this period he constructed more than 100 buildings in Baku, including the Great Theatre of the Mailov Brothers (modern days Azerbaijan State Opera Theatre, 1911),[5] Sabunchi Railway Station,[6][7][8] a residential sector in the former Ermenikend area of Baku,[9] and other buildings.

[14][9] In 1945 he was awarded by the Honorary diploma of the Presidium of the Supreme Soviet of the Armenian SSR.