In all the world, Hailen (Hailen 
) is a rare primarily female, but scarcely boy's given name. The first name Hailen is habitual in Costa Rica, where it is a rare female name, Tanzania, and Philippines, where it is a very rare predominantly feminine, but very infrequently boy's name. Not in comparison with a country's population, the name is most common in Tanzania, Philippines, and India. Very seldom, Hailen is the last name as well as the forename.