Family name โอ๊ด (Ot 
, โอ๊ด) , in all the world, is a common surname. The cognomen โอ๊ด is habitual in Mongolia, where it is quite a common surname, Saudi Arabia, where it is quite a rare surname, and Botswana. Measured by absolute frequency, it is commonest in Mongolia, Saudi Arabia, and Turkey. Much less frequently, โอ๊ด is the forename as well as the last name.