Football referees
Anastasiia Romanyuk
Alexander Roppelt
Akseli Ropponen
Alex Ross
Arumughan Rowan
Ashley Royston
Albert Różycki
Alain Ruch
Alaa Sabry
Alain Sadikovski
Artur Safaryan
Artur Sagdiev
Asmir Sagrković
Abderahmane Sahraoui
Austin Saini
Astro Sakalis
Ahmad Salem Khalfan
Al Majarafi Mahmood Salim Said
Arnaldo Samaniego
Amarilia Sampaio Coelho
Aleksandr Samsonov
Andrew Samuel
Ameth Ariel Sánchez Pinzón
Aaron Sanchez
Antonio Sánchez Sánchez
Alioune Sow Sandigui
Ali Şansalan
Alan Mario Sant
Alberto Santoro
Abdullah Uğur Sarı
Araksya Saribekyan
Adem Sarıtaş
A. Sarker
Alexander Sather
Aurélien Saunier
Ali Mohammed Sawia Al Qahtani
Aleksandar Šćekić
Adrian Schmitz
Ariel Scime
Alejandro Scionti
Ashebir Seboka Wordofa
Aleksandr Sedinkin
Admir Šehović
Amine Sekhraoui
Alpaslan Şen
Anıl Şen
Abdulsamet Şenoğlu
Anže Šepec
Aykut Sergin
Athanasios Sezos