Football referees
Alejo Cid
Adem Cinek
Aaron Clarke
Alan Clayton
Alejandro Clemente Ortuño
Anthony Coggins
Adrian Viorel Cojocaru
Andrei Cojocaru
Alexandra Collin
Alipio Colman
Andrea Colombo
Adrian Comănescu
Alex Connelly
Adrián Cordero Vega
Alessandro Costanzo
Adrian Sorin Costreie
Abou Coulibaly
Andrew Craven
Alan Cresswell
Arturo Cruz Hurtado
Ante Čulina
Ante Čuljak
Andrés Cunha
Alexis Da Silva
Abdallah Dafar
Alan Dale
Andrew Dallas
Antonio Damato
Arūnas Dapkus
Anderson Daronco
Ashton Davenport
Andrew Davey
Andy Davies
Alan Davies
Alex de Albuquerque Troleis
Arne De Beuckelaer
Alonso De Ena Wolf
André Luiz de Freitas Castro
Alexandre Decoster
A. Degand
Adrián Del Barba
Antoine Delaye
Amaury Delerue
A. Deligianni
Ayberk Demirbaş
Alex Denev
Arthur Denil
Anntamo Dennis
Andy Denuit
Abdullah Dhafer Al Shehri