Last name Mirja (Mirja 
, 米哈 
, Мирья 
) , all over the world, is a common cognomen. The family name Mirja is habitual in India, where it is quite a rare surname, Oman, and Qatar. Measured by absolute frequency, it is commonest in India, Bangladesh, and Indonesia. Also, Mirja is the forename as well as the last name.