Surname Mannio (Mannio 
) , around the world, is a very rare last name. The surname Mannio is characteristic of Finland, where it is quite a rare surname, Switzerland, where it is a rare surname, and Australia, where it is a very rare surname. Very seldom, Mannio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mannio | United Kingdom, Australia, Finland, Switzerland, United States |
| niilo a. mannio Finnish politician (1884-1968), FI (b. 1884) |
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|
ari mannio Finnish javelin thrower, FI (b. 1987) |
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| aleksi mannio |
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