Football referees

Maksim Kachalyk

Muhammad Kaleia

Mete Kalkavan

Murat Kasap

Mirza Kazic

Mustapha Kechaf

Mahamadou Kéïta

Mareks Ķere

Mustafa Gökhan Keskin

Moses Mbhabeleli Kheswa

Martijn Kieft

Manuchar Kikoria

Mehmet Kısal

Michiaki Kitazawa

Miika Kiuru

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

Michal Křepský

Mathias Smehus Kringstad

Mads-Kristoffer Kristoffersen

Morten Krogh

Marina Krupskaya

Mykola Kryvonosov

Maciej Kuropatwa

M. Kurt

Michael Kvítek

Marko Lacković

Médéric Lacour

Miikka Lähdesmäki

Mehmet Çağatay Lakot

Mihail Sebastian Lăstun

Matthieu Le Bris

Massimiliano Ledda

Mikko Leino

M. Lekwape

Mickaël Leleu

Miro Leppäkoski

Mikael Lesage

Marcin Liana

Ming Liang