Last name Aldha (Aldha 
, الضحى 
, الضحا ) , all over the world, is a common surname. The cognomen Aldha is characteristic of Iraq, where it is quite a common surname, Syria, where it is quite a rare surname, and Morocco. Not in comparison with a country's population, it is the most numerous in Iraq, India, and Egypt. Very seldom, Aldha is the forename as well as the last name.