Family name Precetto (Prae 
, Precetto 
) , in all the world, is a very rare last name. The cognomen Precetto is characteristic of Thailand, where it is a very rare surname, Germany, where it is an extremely rare surname, and the United States. Much more frequently, Precetto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prae | Spain, Myanmar, Australia, United States, Thailand |
| Precetto | Brazil, Germany |