Surname Maretin (Maretin 
) , worldwide, is a very rare family name. The last name Maretin is habitual in New Zealand, where it is a very rare surname, Indonesia, and Spain, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Indonesia, Nigeria, and India. Much less frequently, Maretin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Maretin | Spain, New Zealand, India, Indonesia, Nigeria |