Worldwide, Mikus (Mikus 
, Микус 
, Микуш ) is a rare boy's forename. The first name Mikus is characteristic of Latvia, where it is quite a rare masculine name, Lithuania, where it is a rare boy's name, and Poland, where it is a very rare male name. In absolute terms, the name is most common in Latvia, Poland, and Italy. More frequently, Mikus is the last name as well as the forename.