Cognomen Milsa (Milsa 
, Milza 
, Milzi 
) , globally, is quite a rare family name. The family name Milsa is characteristic of Honduras, where it is quite a rare surname, Italy, where it is a rare surname, and Nicaragua. Measured by absolute frequency, the name is most common in Italy, Indonesia, and Honduras. More prevalently, Milsa is the forename as well as the last name.