Surname Sajer (Sajer 
, Сайер 
, Мумину ) , across the world, is a rare last name. The last name Sajer is habitual in Hungary, where it is quite a rare surname, Saudi Arabia, where it is a rare surname, and Czechia. Not in comparison with a country's population, the name is most common in Hungary, Philippines, and India. Likewise, Sajer is the forename as well as the last name.