Around the globe, Cyrenius (Cyrenius 
) is an extremely rare male first name. Likewise, Cyrenius is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Cyrenius | Brazil, United States, United Kingdom, Germany, South Africa |
| cyrenius hall American painter, US (b. 1830) |
|
|
| cyrenius adelbert newcomb American businessman, US (b. 1837) |
|
|
| cyrenius schenck (b. 1828) |
|
|
| cyrenius penny black American politician, US (b. 1843) |
|