Trefilov

Trefilov (Трефилов) is a Russian masculine surname, its feminine counterpart is Trefilova. It may refer to
 * Andrei Trefilov (born 1969), Russian ice hockey goaltender and a sports agent
 * Dmitrijs Trefilovs (born 1987), Latvian gymnast
 * Georgy Trefilov (born 1971), Russian businessman
 * Natalia Trefilova (born 1971), Russian swimmer
 * Vera Trefilova (1875–1943), Russian dancer
 * Vladimir Trefilov (born 1949), Russian scholar
 * Yevgeni Trefilov (born 1955), Russian handball coach