All over the world, Leyfman (Leyfman , Лейфман ) is an extremely rare unknown gender first name. Much more frequently, Leyfman is the last name as well as the forename.
Леифман, and Леыфман
Mark, Alexander, Gennadiy, Svetlana, Mikhail, Genady, Sofiya, Yuriy, Irina, Elena, Viktoriya, Lyova, Khiva, Sarra, Marat, Maria, Zoya, Nina, Alla, Sima, Mike, Roman, and Aleksander
, Лейфман 
) is an extremely rare unknown gender first name. Much more frequently, Leyfman is the last name as well as the forename.