Last name Fuis (Fuis 
) , throughout the world, is a very rare family name. The surname Fuis is characteristic of Slovenia, where it is a rare surname, Croatia, and Austria. In absolute terms, it most frequently occurs in Croatia, Austria, and Czechia. Likewise, Fuis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fuis | Czechia, Slovenia, Indonesia, Austria, Croatia |
| franjo fuis (b. 1908) |
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| martin fuis SI (b. 1914) |
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| gary s. fuis researcher ORCID ID = 0000-0002-3078-1544 |
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| vladimír fuis (b. 1970) |
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