Family name Capricornis (Caper 
, Capricornis) , across the world, is a rare last name. The last name Capricornis is habitual in Suriname, where it is quite a common surname, Philippines, where it is a rare surname, and Indonesia, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Philippines, Indonesia, and the United States. Very seldom, Capricornis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Caper | Suriname, Philippines, United States, India, Indonesia |