Cognomen Florein (Florein 
) , all around the world, is an extremely rare family name. The surname Florein is habitual in France, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. More prevalently, Florein is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Florein | Romania, South Africa, Italy, Philippines, France |
| marcel florein French aviator, FR (b. 1914) |
|