Cognomen Muhaddin (Muhaddin 
, Мухаддин 
) , all over the world, is a rare last name. The last name Muhaddin is characteristic of Azerbaijan, where it is quite a rare surname, Kyrgyzstan, where it is a very rare surname, and Israel. Measured by absolute frequency, the name is most common in Azerbaijan, Philippines, and India. More prevalently, Muhaddin is the forename as well as the last name.