Football referees

Keith Stroud

Khushnud Suyunboyev

Kazemi Syedvahid

Koji Takasaki

Kyrylo Ternovyi

Koen Thijs

Khulekani Thusi

Konstantinos Tikozoglou

Kirill Tkachev

Kristo Tohver

Kalilou Traore

Keiran Trayner

Kieran Traynor

Kaitlyn Trowbridge

Kostyantin Trukhanov

Konstantinos Tsetsilas

Kentaro Uematsu

Kevin Ulloa

Kamal Umudlu

Kateryna Usova

Klaidas Vaitekūnas

Kevin Van Damme

Kari Vantola

Kristina Varyanitsa

Ken Vermeiren

Konstantin Vlaho

Karoline Wacker

Kylian Walthuis

Kimbell Ward

Kimbett Ward

Kwinsi Williams

Karol Wójcik

Kai Wu

Kadir Yagci

Kohei Yano

Keren Yocette

Konstantin Yudanov

Klym Zabroda

Kader Zitouni

Khánh Nam Đỗ

Kamran Əliyev

Dong-Ho Kang

Khaled Al Sinany

Khaled Saleh Al Taries

Khalid Al-Jahly

Khalid Ayed

Dae-Yong Kim

Sang-Woo Kim

Sung-Ho Kim

Lucas Andrade