Football referees

Oliver Yates

Onur Yayar

Olcay Yıldırım

Olsion Yzeiraj

Olga Zadinova

Ri-Hyang Ok

Oliver Romić

Omar Abdulkadir Artan

Óscar Martínez Santos

Oscar Mejia Garcia

Óscar Sauleda Torrent

Promise Adebayo-Ige

Priit Alekask

Pousri Armi Alfred

Patrick Alt

Paulo Roberto Alves Júnior

Peter Antal

Petr Ardeleanu

Pol Arenas Mora

Pedro Argañaraz

Pierre Ghislain Atcho

Pranjal Banerji

Peter Bankes

Paulo Belence Alves dos Prazeres Filho

Péter Bence Belicza

Peter Bernardy

Patricio Blanca Fuentes

Paula Brady

Pablo Camacho

Paola Cebollada López

Prajwol Chhetri

Pavol Chmura

Paul Cooper

Paride De Angeli

Paulo Henrique de Melo Salmazio

Paul Enrique Delgadillo Haro

Pavlo Detsyuk

Pablo Díaz

Petar Dorovski

Petr Dorušák

Pablo Dóvalo

Paulo Ricardo Duarte Brás

Pavlo Dubrovets

Pablo Echavarría

Phillip Eddie

Patrik Eriksson

Pascal Erlachner

Pedro Espinoza

Philip Farrugia

Patrik Fehérvári