Cognomen Alnaja (الناجى 
, Alnaja 
) , throughout the world, is quite a rare surname. The cognomen Alnaja is habitual in Northern Africa, particularly Egypt, where it is quite a rare surname, Libya, where it is a rare surname, and Sudan. In absolute terms, it is commonest in Egypt, Sudan, and Saudi Arabia. Much less frequently, Alnaja is the forename as well as the last name.