Nikolay Nikolaev or Nikolay Nikolayev may refer to:
*
Nikolay Nikolaev (politician) (born 1970), Russian politician
*
Nikolay Nikolaev (footballer, born 1992), Bulgarian footballer
*
Nikolay Nikolaev (footballer, born 1997)
Nikolay Nikolaev ( bg, Николай Николаев; born 19 March 1997) is a Bulgarian professional footballer who plays as a right-back for Hebar Pazardzhik.
Honours Club
;Lokomotiv Plovdiv
* Bulgarian Cup: 2019–20
* Bulgarian Supercup: ...
, Bulgarian footballer
{{hndis, name=Nikolaev, Nikolay