Cognomen Dorofii (Дорофий 
, Dorofii 
) , in all the world, is a very rare last name. The cognomen Dorofii is characteristic of Estonia, where it is a rare surname, Kyrgyzstan, and Kazakhstan, where it is a very rare surname. In absolute terms, this name is the most popular in Russia, Kyrgyzstan, and Kazakhstan. Very seldom, Dorofii is the forename as well as the last name.