Cognomen Alexii (Алексий 
, Алексии , Alexii 
) , globally, is a rare last name. The surname Alexii is characteristic of Romania, where it is quite a rare surname, Russia, where it is a rare surname, and Kyrgyzstan, where it is a very rare surname. In absolute terms, it is the most numerous in Romania, Russia, and Italy. More prevalently, Alexii is the forename as well as the last name.