Football referees

Mehmet Kısal

Michiaki Kitazawa

Miika Kiuru

M. Kluge

Mladen Knežević

Min-Gook Ko

Marcin Kochanek

Memet Koçi

Max Kok

Magnus Nicolai Koløy

Matteo Konger

Matic Kordež

Mariusz Korpalski

Markus Kouba

Mehmet Şükrü Közcü

Maksim Kozyryatskiy

Manfred Krassnitzer

Michal Křepský

Mathias Smehus Kringstad

Mads-Kristoffer Kristoffersen

Morten Krogh

Marina Krupskaya

Mykola Kryvonosov

Matěj Kubečka

Maciej Kuropatwa

M. Kurt

Michael Kvítek

Marko Lacković

Médéric Lacour

Miikka Lähdesmäki

Mehmet Çağatay Lakot

Matthew Langdon

Mihail Sebastian Lăstun

Matthieu Le Bris

Massimiliano Ledda

Mikko Leino

M. Lekwape

Mickaël Leleu

Miro Leppäkoski

Mikael Lesage

Marcin Liana

Ming Liang

Maroš Libiak

Mantas Ličkus

Marius Lien

Marko Liiva

Markus Lille

Maguielson Lima Barbosa

Magnus Lindgren

Marcos Ignacio Liuzzi