Football referees

Jacek Lis

Jordane Lomi

Juan Eduardo López

José Antonio López Toca

Jesus Rafael Lopez Valle

Jürgen Lorenz

Juan Pablo Loustau

Josip Lučić

Johnathan Luk

Jorge Luna Hernández

Julio Cesar Luna

Julio Luna Guzmán

Jorge Mora Vega

Jens Maae

Jan Machálek

Jurgita Mačikunytė

Jakob Mägi

James Mainwaring

Jonathan Mainz

Joseph Makhubo

Javier Burgos Maldonado

Juan Mamani

Jonathan Rodrigo Mamani Contreras

Jorge Alejandro Mancilla Rios

Johannes von Mandach

Joona Manninen

Jason Mannix

Joel Mannix

Juan Antonio Manrique Antequera

Jeroen Manschot

José Márquez

Jair Marrufo

Julius Martenstein

José Luis Martínez Alvarado

José David Martínez Montalbán

Juan Martínez Munuera

José Martínez Vilches

Josip Martinović

Jonathan Maskrey

John Matthews

Joseph Matti

John Matto

José Maya Ontivero

Jairo Alejandro Mayorga Londoño

J. Mayrhofer

Jacek Małyszek

J. Mbelle

Jamie McCunnie

John McKendrick

John McLaughlin