Surname Martio (Martio 
) , in the world, is a rare family name. The family name Martio is characteristic of Finland, where it is a rare surname, Indonesia, and Brazil, where it is a very rare surname. Very seldom, Martio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Martio | Indonesia, Philippines, Finland, Argentina, Brazil |
| francesco martio IT (b. 1608) |
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| olli martio Finnish mathematician, FI (b. 1941) |
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