Surname מלכו (Malco 
, מלכו 
) , all over the world, is quite a rare family name. The last name מלכו is characteristic of Trinidad and Tobago, where it is quite a rare surname, Philippines, and Honduras, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Philippines, Mexico, and Argentina. Very seldom, מלכו is the forename as well as the last name.