Last name Mylda (Mylda 
, Милда 
) , globally, is a very rare family name. The cognomen Mylda is habitual in Bulgaria, where it is a rare surname, Honduras, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Bulgaria, Mexico, and Venezuela. More frequently, Mylda is the forename as well as the last name.