Football referees
Carlos Sebastián Lozano Bedoya
Carlos Macías
Carly Shaw Maclaren
Carlos Marabay Morillo
Claudiu Marcu
Carlos Andrés Márquez Ortega
Charles Martland
Corbyn May
Christopher Mayrhofer
Christian Michel
Cory Mills
Christian Moen
Cristian Moldoveanu
Camilo Moreno
Chris Morrison
Cregue Fleury Moukagni
C. Mouysset
Christophe Mouysset
Cyril Mugnier
Christian Mulder
Carlos Muñiz Muñoz
Cedrick Muvhali
Craig Napier
Chris Newman
Chaireag Ngamsom
Christos Nikolaides
Christian Simphorien Nkamba Drid
Christopher O'Donnell
Colman O'Meara
Constantin Alin Olaru
C. Oliver
Cihan Ölmez
Carlos Aníbal Orbe Ruiz
Carlos Arturo Ortega Jaimes
Cem Özbay
Claudio Panettella
Carlos Parra
Craig Pawson
Chris Penso
Carlos Pielago
Csaba Pinter
Christophe Pires Martins
Cheslin Plaatjies
C. Pollard
Cătălin Popa
Colin Prooi
Camilo Ramírez Aqueveque
Calin Radosav
Chris Rae
Christian Jesús Ramírez Soto