Cognomen Salkh (Salkh 
, صالخ 
) , across the world, is quite a rare family name. The surname Salkh is habitual in Sudan, where it is a rare surname, Libya, and Saudi Arabia. Not in comparison with a country's population, it is the most numerous in Sudan, Pakistan, and Egypt. Likewise, Salkh is the forename as well as the last name.