Family name Cyrenius (Cyrenius 
) , around the globe, is a very rare surname. The family name Cyrenius is habitual in Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname. Also, Cyrenius is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cyrenius | United Kingdom, United States, South Africa, Germany, Brazil |
| maria cyrenius Austrian artist (1872-1959), AT (b. 1872) |
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| andreas cyrenius German film director and screenwriter, DE (b. 1980) |
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