Cognomen Отакар (Otakar 
, Ottokar 
, Otokar 
) , in the world, is a rare family name. The family name Отакар is characteristic of Estonia, where it is quite a rare surname, Czechia, where it is a rare surname, and Poland. In absolute terms, it most frequently occurs in India, Czechia, and Poland. Much more frequently, Отакар is the forename as well as the last name.