Throughout the world, Petu (Petu 
, Pechu 
, Peito 
) is quite a rare mostly masculine, but infrequently girly first name. The first name Petu is characteristic of India, where it is a rare mostly boy's, but infrequently girly name, Romania, where it is a rare male name, and Nigeria, where it is a very rare epicene name. Likewise, Petu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Petu | Indonesia, Romania, South Africa, India, Brazil |
| Pechu | South Africa, Spain, United States, India, France |
| Peito | Portugal, South Africa, United States, India, Brazil |
| Petsu | Bulgaria, Morocco, United States, South Africa |