Last name Ooh (Ooh 
, ออ , อู ) , globally, is quite a rare surname. The last name Ooh is habitual in Malaysia, where it is quite a rare surname, Oman, and Singapore, where it is a rare surname. In absolute terms, this name is the most popular in South-eastern Asia, particularly Malaysia, Indonesia, and Thailand. Also, Ooh is the forename as well as the last name.