Surname อัลฟ่า (Alfa 
, Alph 
, Allfa ) , in all the world, is a common cognomen. The family name อัลฟ่า is habitual in Sub-Saharan Africa, particularly Nigeria, where it is quite a common surname, Togo, where it is quite a rare surname, and Guinea-Bissau. Measured by absolute frequency, it is the most numerous in Nigeria, Indonesia, and Mexico. Also, อัลฟ่า is the forename as well as the last name.