In all the world, Leimann (Leimann 
) is an extremely rare unknown gender first name. Much more prevalently, Leimann is the last name as well as the forename.
Mr, Jaak, Jose, John, Joao, Joel, Eddi, Eric, Ines, Inna, Iben, Olaf, Olga, Maria, Marta, Maxim, Milan, Milda, Sonia, Stela, Alina, Aline, Jaan, Andre, Jair, Luis, Ms, Max, Sue, Ana, Lea, Jan, Eva, Urs, Udo, Uwe, Mari, Marc, Mary, Alex, Anna, Aina, Patt, Rosa, Roas, Rita, Line, Luiz, and Artur