Cognomen Houssain (Houssain 
) , in all the world, is quite a rare surname. The cognomen Houssain is characteristic of Lebanon, where it is quite a rare surname, Morocco, and United Arab Emirates, where it is a rare surname. Not in comparison with a country's population, the name is most common in Bangladesh, Morocco, and Egypt. Likewise, Houssain is the forename as well as the last name.