Yefimovsky

Yefimovsky (masculine), Yefimovskaya (feminine), or Yefimovskoye (neuter) may refer to:


 * People
 * Yelizaveta Yefimovskaya, wife of Ivan Chernyshyov, Russian field marshal


 * Places
 * Yefimovsky District (1927–1963), a former district of Leningrad Oblast; merged into Boksitogorsky District
 * Yefimovsky (inhabited locality) (Yefimovskaya, Yefimovskoye), several inhabited localities in Russia