In all the world, Сесилия (Cecilia 
, Cécilia 
, Cecília ) is a prevalent female given name. The given name Сесилия is habitual in Latin America and the Caribbean, particularly Uruguay, where it is a common female name, Argentina, and Mexico (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Latin America and the Caribbean, particularly Mexico, Brazil, and Argentina. Very seldom, Сесилия is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Cecilia | Philippines, Mexico, Nigeria, Argentina, Brazil |
| Cécilia | Sweden, Italy, Spain, United States, Democratic Republic of the Congo |
| Cecília | Sweden, Italy, United States, Argentina, Brazil |
| Сесилия | Russia |
Caecilia, Cecelia, Cecile, Cecilie, Cecilija, Cecylia, Cecílie, Celia, Celina, Celine, Cilla, Cäcilia, Cäcilie, Cèlia, Cécile, Célia, Céline, Sesilija, Sesiliya, Silke, Селин, Селина, Селия, Селія, Сесиль, Силке, Целина, Цецилия, Цецилія, סילקה, סליה, סלין, ססיליה, سيسيليا, سيليا, سيلين, カーシ, シラ, セシリア, セシル, セリア, 塞西莉亚, 席林, 席琳, 瑟林纳, 西利亚, 西尔克, and 西莉亚
Сесилия is also a name for the fictitious and mythical characters: Cecilia Reyes , the fictional character in Marvel Comics, The New Mutants; Cecilia Lind , the fictional character in Cornelis Vreeswijk's song lyrics, Balladen om herr Fredrik Åkare och den söta fröken Cecilia Lind; Cecilia , the operatic character in the opera Engelbrekt; Cecilia , the operatic character in the opera Il Guarany and Cecilia Algotsdotter , among other works.