Ivan Efremov

Ivan Efremov may refer to:


 * Ivan Efremov (weightlifter) (born 1986), Uzbek Olympics weightlifter
 * Ivan Yefremov (1907–1972), Soviet paleontologist, science fiction author and social thinker
 * Ivan Efremov (wrestler) (born 1996), Russian freestyle wrestler
 * Ivan Yefremov (general) (born 1946), Russian general