Last name ราหู (Rahu 
, ราหู 
) , all around the world, is quite a common family name. The cognomen ราหู is characteristic of Estonia, where it is quite a common surname, Pakistan, where it is quite a rare surname, and Qatar. Not in comparison with a country's population, this name is the most popular in Pakistan, India, and Estonia. Very seldom, ราหู is the forename as well as the last name.