Surname Oooooo (Oooooo 
, Оооооо 
) , all around the world, is a very rare cognomen. The last name Oooooo is habitual in New Zealand, where it is a very rare surname, Kazakhstan, and Thailand. Not in comparison with a country's population, it is the most numerous in China, Russia, and Thailand. Very seldom, Oooooo is the forename as well as the last name.