Football referees

José Jordán

Jorge Luis Justiniano

Jean Pierre Kabangu

Jovan Kachevski

Jovan Kaludjerovic

Jovan Kaluđerović

Jochem Kamphuis

Jesse Kananen

Jacob Karlsen

Jasmine Kaur

Jake Keating

Jakob Kehlet

José Antonio Kellys Marquez

Joel Kennedy

Jevgenijs Keziks

Jener Khorava

Jong-Hyeok Kim

Jung-Soo Kim

Jung-Hee Kim

Jae-Hong Kim

Joong-Dong Kim

Joey Kooij

Jianxun Kou

Joonas Kovapohja

John Kraak

Johan Krantz

Josef Krejsa

Jovan Krsmanovic

Joshua Kuipers

Johann Kuldmäe

Jelena Kumer

Jani Laaksonen

Jean-Baptiste Lambert

Jackson Landy

Jose Lara

Juan Lara

Jonathan Lardot

Justina Lavrenovaitė-Perez

José Lax Franco

Ji-Hyung Lee

Jacob Lehane

Jack Leslie

Johannes Liedtke

Jung-Soo Lim

James Linington

Jacek Lis

Jordane Lomi

Juan Eduardo López

José Antonio López Toca

Jesus Rafael Lopez Valle