Family name 拉哈 (Raha 
, 拉哈 
) , in all the world, is a common cognomen. The cognomen 拉哈 is characteristic of Bangladesh, where it is quite a rare surname, India, and Estonia. In absolute terms, this name is the most popular in India, Bangladesh, and Indonesia. Much less frequently, 拉哈 is the forename as well as the last name.