Surname Sicera (Sider 
, Sidro 
, Cidre 
) , all around the world, is quite a rare last name. The family name Sicera is habitual in Algeria, where it is quite a rare surname, Israel, and Jordan. In absolute terms, it is the most numerous in Philippines, the United States, and Algeria. Much less frequently, Sicera is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sider | Spain, Philippines, Indonesia, United States, Algeria |
| Sidro | Spain, France, Philippines, Indonesia, United States |
| Cidre | France, Spain, Argentina, United States, Brazil |
| Sicera | Philippines, Brazil, Spain |