Family name Mihayo (Mihayo 
) , globally, is quite a common cognomen. The surname Mihayo is characteristic of Tanzania, where it is quite a common surname, and Romania, where it is a rare surname. Likewise, Mihayo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mihayo | Romania, Australia, Tanzania, United Kingdom, United States |
| marc mihayo (b. 1907) |
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| marko mihayo (b. 1907) |
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| charles mihayo Tanzanian murderer in prison in Melbourne, Australia |
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