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