Football referees

Karel Roucek

Kārlis Rozītis

Khasan Ruziev

Kamranbəy Rəhimov

Karim Sabry

Kadir Sağlam

Khalid Saleh

Khaled Salwi

Kevin Sánchez

K. Savaş

Karl Sear

Keigo Sendachi

Klodian Shahini

Kieran Sharp

Kirilas Sidorovas

Kristjan Siilak

Kirill Silantjev

Kristupas Šileika

Katalin Sipos

Kévin Six

Kaspar Sjöberg

Kiril Smokvoski

Konrad Spalony

Konstantinos Staikos

Kai Erik Steen

Kevin Stott

Keith Stroud

Khushnud Suyunboyev

Kazemi Syedvahid

Koji Takasaki

Koen Thijs

Khulekani Thusi

Konstantinos Tikozoglou

Kirill Tkachev

Kristo Tohver

Kalilou Traore

Keiran Trayner

Kieran Traynor

Kostyantin Trukhanov

Konstantinos Tsetsilas

Kentaro Uematsu

Kamal Umudlu

Kateryna Usova

Klaidas Vaitekūnas

Kevin Van Damme

Kari Vantola

Kristina Varyanitsa

Ken Vermeiren

Konstantin Vlaho

Karoline Wacker