Football referees
Ki-Chang Choi
Kreshnik Cjapi
Kevin Clancy
K. Clerkx
Kirk Davis
Kevin Debeuckelaere
Kane Dempster
Kevin Dhondt
Keabetswe Dintwa
K. Dizdar
Kirsty Dowle
Kevinas Drungilas
Kristina Dushkova
Khaled El Sayed
Kassem Matar Elhatmy
Kazuyoshi Enomoto
Kerem Ersoy
Karl Evans
Konstantinos Fellas
Kevin Fikar
Konstantinos Foustanas
Kouassi Frederic Francois Biro
Kevin Friend
K. Friend
Koichiro Fukushima
Khaled Gamal
Kirill Garafutdinov
Konrad Gasiorowski
Koray Gençerler
Krasen Georgiev
Kristina Georgieva
Kastriot Gerxhaliu
Kote Giorgadze
Krumislav Gjorgiev
Kleber Ariel Gonçalves da Silva
Kevin Graham
Kristian Griffiths-Jones
Kévin Gueguen
Kristoffer Hagenes
Kamil Hájek
Kyle Hall
Kasper Halonen
Kaarlo Oskari Hämäläinen
Kris Hames
Kelsey Harms
Kai He
Kyle Healey
Karen Hernández Andrade
Keylor Herrera
Kamil Horvath