Family name Lomaca (Lomaca 
) , throughout the world, is an extremely rare cognomen. The cognomen Lomaca is habitual in Australia, where it is a very rare surname, Philippines, where it is an extremely rare surname, and Brazil. Much less frequently, Lomaca is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lomaca | Philippines, Brazil, United States, Australia |
|
elisabeth santi lomaca French artist, 1729-1808, FR (b. 1729) |
|