Family name Luceus (Luceus 
) , in the entire world, is a very rare cognomen. The surname Luceus is habitual in Canada, where it is a very rare surname, the United States, where it is an extremely rare surname, and Venezuela. Very seldom, Luceus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Luceus | Canada, United States, Venezuela, Brazil |