Last name Tumui (Tumui 
) , all around the world, is a very rare surname. The family name Tumui is habitual in Australia, where it is a very rare surname, Malaysia, and India, where it is an extremely rare surname. Much less frequently, Tumui is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tumui | United States, India, Australia, Malaysia |