Family name Hector Domingo (Hector Domingo 
) , worldwide, is a rare last name. The cognomen Hector Domingo is habitual in Chile, where it is quite a rare surname, and Spain, where it is a very rare surname. More frequently, Hector Domingo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hector Domingo | Argentina, Peru, Ecuador, Spain, Chile |