Cognomen Ilvars (Ilvars 
) , across the world, is an extremely rare family name. Much more prevalently, Ilvars is the forename as well as the last name.
Becs, Ziverts, Zālītis, Udrovskis, Štāls, Musajevs, Sirmacis, Beitinsh, Kocmarevs, Krasausks, Rudenoks, Dzirkalis, Gravitis, Tauriņš, Vitolins, Veinbergs, Strazdins, Bergmanis, Bisenieks, Dreimanis, Gontarevs, Grundmanis, Timbers, Feldmanis, Jansons, Rupeiks, Stals, Sloka, Attis, Rimss, Lelis, Licis, Vegis, Veibs, Stalde, Strods, Rullis, Japsis, Naglis, Vanags, Ieviņš, Stuglis, Boreiko, Bundzis, Kalnins, Kirmuska, Poikans, Gudrimovics, and Steinbergs