Surname ยศภาคย์ (Rank 
, ยศภาคย์ 
, Yosaphak ) , in all the world, is a common cognomen. The cognomen ยศภาคย์ is characteristic of Estonia, where it is quite a common surname, Germany, where it is quite a rare surname, and El Salvador. Not in comparison with a country's population, it most frequently occurs in Germany, the United States, and Brazil. Very seldom, ยศภาคย์ is the forename as well as the last name.