Globally, Pedro Sr (Pedro Sr 
) is a rare boy's forename. The first name Pedro Sr is habitual in South-eastern Asia, particularly Philippines, where it is a rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| Pedro Sr | Canada, Philippines |
Mesa, Ortega, Mendoza, Sabilla, Araneta, Cortado, Padullo, Reotutar, Villano, Velarde, Luchar, Alderite, Clemente, Luansing, Tribiana, Villarta, Obligado, Quintero, Pomarejos, Dela Cruz, Entroliso, Comprado, Cabradilla, Gamido, Balila, Anib, Baer, Lava, Sanay, Angco, Canen, Callo, Bravo, Razon, Desoyo, Repol, Dugay, Santos, Sotero, Alerta, Abunda, Aquino, Castro, Cadiao, Coyoca, Duble, and Capangpangan