Throughout the world, Leonovič (Леонович , Leonovič ) is an extremely rare unknown gender first name. Much more prevalently, Leonovič is the last name as well as the forename.
Leonovic, Leonovich, and Леоновіч
Roman, Sergej, Božena, and Aleksandr
, Leonovič 
) is an extremely rare unknown gender first name. Much more prevalently, Leonovič is the last name as well as the forename.