In all the world, Ласси (Lassi 
, Lascy 
, Ласси 
) is quite a rare epicene first name. The first name Ласси is habitual in Finland, where it is quite a rare boy's name, Libya, where it is a rare boy's name, and Algeria. In absolute terms, it is commonest in India, Finland, and Algeria. Also, Ласси is the last name as well as the forename.