Globally, Paio (Payo 
, Paio , Пайо 
) is quite a rare epicene first name. The given name Paio is characteristic of Pakistan, where it is a rare predominantly boy's, but very infrequently female name, Guatemala, where it is a rare masculine name, and Bulgaria. Measured by absolute frequency, it is commonest in India, Pakistan, and Indonesia. Likewise, Paio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Payo, Paio | Spain, Philippines, India, Pakistan, Brazil |
| Пайо | Kazakhstan, Russia, Belarus, Bulgaria, Ukraine |
| Пай | Kazakhstan, Uzbekistan, Russia, Belarus, Ukraine |
Paio is also a name for the fictitious and mythical characters: .
| paio godins de azevedo (b. 1050) |
|
|
| paio guterres da cunha (b. 1067) |
|
|
| paio guterres da silva (b. 1070) |
|
|
| paio ramires (b. 1090) |
|
|
| paio pires de guimarães Portuguese politician, PT (b. 1100) |
|
|
|
paio galvão Catholic cardinal, PT (b. 1165) |
|
| paio ramiro (b. 1125) |
|
|
|
paio soares de taveirós Galician poet (b. 1200) |
|
|
paio de coímbra PT (b. 1195) |
|
|
paio peres correia Portuguese noble, PT (b. 1205) |
|
| paio soares de valadares (b. 1160) |
|
|
| paio soares correia (b. 1175) |
|
|
| paio viegas (b. 1190) |
|
|
| paio soares de azevedo Portuguese diplomat, PT (b. 1210) |
|
|
| paio anes marinho (b. 1210) |
|