Nikolay Melnikov may refer to:
Nikolay Melnikov (jurist) (1882–1972), chairman of the council of ministers of the South Russian Government Nikolay Melnikov (water polo) (born 1948), Soviet water polo player Nikolay Melnikov (judge) (born 1955), judge of the Constitutional Court of Russia Nikolay Melnikov (curler) (born 1964), Russian wheelchair curler