Family name Philosophus (Filsuf 
, Filosofo 
, Philosophus 
) , across the world, is a rare last name. The last name Philosophus is characteristic of Philippines, where it is a rare surname, Germany, where it is an extremely rare surname, and the United States. Much less frequently, Philosophus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Filsuf | India, China, United States |
| Filosofo | Germany, Philippines, United States, Canada, Brazil |
| Philosophus | South Africa |
Filósofo, and Philosopher
| nicephorus philosophus (b. 850) |
|
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| eudromus philosophus ancient Greek philosopher |
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| marcus philosophus |
|