Last name Khahil (Khahil 
) , all around the world, is a very rare family name. The last name Khahil is habitual in Germany, where it is a very rare surname, the United States, where it is an extremely rare surname, and Nigeria. Not in comparison with a country's population, it is commonest in Germany, the United States, and India. Likewise, Khahil is the forename as well as the last name.