Cognomen Ajarin (Ajarin 
) , all around the world, is a very rare last name. The family name Ajarin is habitual in Philippines, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and India. More frequently, Ajarin is the forename as well as the last name.
Bano, Begam, Shaikh, Khatun, Runsewa, Inamdar, Satanako, Boonyasuttayanon, and Pattanapanchai