Family name Pheno (Pheno 
) , worldwide, is a rare cognomen. The last name Pheno is characteristic of Cameroon, where it is a rare surname, France, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Cameroon, France, and Nigeria. Likewise, Pheno is the forename as well as the last name.