Surname Lucus (Lugo 
, Lucus 
) , in the entire world, is a widespread cognomen. The surname Lucus is characteristic of Latin America and the Caribbean, particularly Puerto Rico, where it is a common surname, Paraguay, and Venezuela (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Mexico, Venezuela, and the United States. Much less frequently, Lucus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lugo | Mexico, Colombia, Venezuela, United States, Argentina |
| Lucus | Spain, Canada, Philippines, United States, Myanmar |