Cognomen ألويسي (Aloisi 
, ألويسي) , globally, is quite a common family name. The cognomen ألويسي is habitual in Italy, where it is quite a rare surname, Tanzania, and Argentina, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Italy, Tanzania, and the United States. Very seldom, ألويسي is the forename as well as the last name.