Family name Donus (Доно , Donus , דונוס ) , globally, is a rare cognomen. The family name Donus is habitual in Kyrgyzstan, where it is quite a rare surname, Bulgaria, and Estonia, where it is a rare surname. Measured by absolute frequency, it is commonest in Kyrgyzstan, Bulgaria, and Ukraine. Likewise, Donus is the forename as well as the last name.