Globally, Kosii (Kosii , Косий ) is an extremely rare masculine forename. Much more frequently, Kosii is the last name as well as the forename.
Косии, Косій, กอซี, กอสี, ก่อซี, ก้อซี, ฆอซี, โกซี, โกสี, โคสี, โค้สี, គស៊ី, and コシイ
Quick
, Косий 
) is an extremely rare masculine forename. Much more frequently, Kosii is the last name as well as the forename.