Last name Mÿ (Mÿ 
) , in all the world, is quite a rare family name. The last name Mÿ is characteristic of Northern Africa, particularly Algeria, where it is quite a rare surname, Egypt, where it is a rare surname, and Tunisia. Measured by absolute frequency, this name is the most popular in Algeria, Egypt, and Myanmar. Likewise, Mÿ is the forename as well as the last name.