All over the world, Seau (Seau , ทะเล , Xô ) is a rare predominantly boy's, but very infrequently feminine first name. The given name Seau is habitual in the Democratic Republic of the Congo, where it is a rare male name, Thailand, where it is a rare gender-neutral name, and Vietnam, where it is a very rare unisex name. Also, Seau is the last name as well as the forename.