Family name Ceciliya (Цецилия 
, Ceciliya 
) , around the world, is a very rare last name. The cognomen Ceciliya is habitual in Bulgaria, where it is a rare surname, and Nigeria, where it is an extremely rare surname. More prevalently, Ceciliya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Цецилия | Russia, Bulgaria, Kazakhstan, Belarus, Ukraine |
| Ceciliya | Nigeria, India |