Family name Siguera (Siguera 
) , in the world, is a very rare last name. The family name Siguera is habitual in Philippines, where it is a very rare surname, Brazil, where it is an extremely rare surname, and the United States. Very seldom, Siguera is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siguera | Spain, Brazil, United States, Philippines |