Nikolay Vasilyev

Nikolai Vasilyev may refer to:
 * Nicolai Vasiliev, a possibly fictitious Russian suggested as a Jack the Ripper suspect
 * Nikolay Vasiliev (Russian politician) (born 1958), Russian politician
 * Nikolay Vasilyev (Soviet politician) (1916–2011), a member of the Soviet Central Committee
 * Nicolai A. Vasiliev (1880–1940), Russian logician
 * Nikolay Ivanovich Vasilyev (colonel) (1906–1941), Soviet army officer
 * Nikolai Vasilyevich Vasilyev (1875–1940), Russian architect
 * Nikolay Vasilyev (hurdler) (born 1956), Soviet hurdler
 * Nikolay Vasilyev (rower) (born 1952), Soviet rower who participated at the 1972 Summer Olympics
 * Nikolai Viktorovich Vasilyev (born 1957), Soviet Russian football player and coach