Cognomen Mateaki (Mateaki 
) , in all the world, is a very rare last name. The last name Mateaki is habitual in Switzerland, where it is a rare surname, New Zealand, where it is a very rare surname, and Australia. In absolute terms, it is the most numerous in the United States, Switzerland, and Australia. Much less frequently, Mateaki is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mateaki | Malaysia, Australia, Switzerland, United States, New Zealand |
| mateaki mafi Tongan sprinter, and rugby union and rugby league footballer, TO (b. 1972) |
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| mateaki kafatolu New Zealand rugby union player, NZ (b. 1989) |
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