Football referees
Roberto Ponis
Roman Potemkin
Renaud Potier
Radek Prihoda
Reon Radix
Rahil Ramazanov
Remi Rantakaulio
Rémy Rasclard
Roei Reinshreiber
Romain Rétif
Ruebyn Ricardo
Roberto Ríos Jácome
Rene Risum
Rodrigo Rivera
Rodrigo Héctor Rivero
Raimundo Rodrigues de Oliveira Junior
Rob Rogers
René Rohde
Rafał Rokosz
Riccardo Ros
Rafal Rostkowski
Ron Rubin
Rubén Ruipérez Marín
Rövşən Rəcəbov
Remzi Sadiku
Roman Safjan
Roman Safyan
Rohit Saggi
Ricardo Salazar
Rafael Sánchez López
Roberto Paul Sánchez Rodríguez
Rafael Santos
Ryuji Sato
Robert Schörgenhofer
Robert Schröder
Robin Segura
Rafael Shafeev
Raktim Shah
Robert Sibiga
Revo Sirel
R. Šmitas
Roman Smolinski
Randy Solano
Reyes Soto Aular
Rob Souwen
Rick Sturm
Raquel Suárez González
Rafael Subirana
Ruslan Sultangaliev
Richard Sundell