Family name Gildia (Gilde 
, Gildia 
) , in the entire world, is quite a rare cognomen. The cognomen Gildia is characteristic of Norway, where it is quite a rare surname, Netherlands, and Portugal, where it is a rare surname. Measured by absolute frequency, the name is most common in Germany, the United States, and Netherlands. Also, Gildia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gilde | Germany, Norway, Democratic Republic of the Congo, United States, Netherlands |
| Gildia | Democratic Republic of the Congo, Philippines, United States, Brazil, Venezuela |