Family name Qaboos (قابوس 
, Qaboos 
, Кабус 
) , all over the world, is a rare surname. The family name Qaboos is habitual in Western Asia, particularly Oman, where it is quite a rare surname, Saudi Arabia, where it is a rare surname, and Yemen. In absolute terms, it most frequently occurs in Oman, Saudi Arabia, and Iran. Also, Qaboos is the forename as well as the last name.