All over the world, الكابوس (الكابوس 
) is a rare boy's forename. The forename الكابوس is habitual in Libya, where it is quite a rare boy's name, Sudan, where it is a rare male name, and Syria. Measured by absolute frequency, it most frequently occurs in Northern Africa, particularly Sudan, Egypt, and Libya. Likewise, الكابوس is the last name as well as the forename.