Football referees
Sebastian Krasny
Sigurd Smehus Kringstad
Simon Küblböck
Stefan Kühr
Shota Kukhilava
Sergey Kulikov
Santhosh Kumar
Sajmir Kumara
Shingo Kuniyoshi
Semih Kurt
Scott Lambie
Shaye Lane
Stéphane Lannoy
Stepan Lapko
Sergey Lapochkin
Stephen Laurie
Sance Lawita
Salvador Lax Franco
Shahab Lazar
Scott Ledger
S. Lelenga
S. Leslie
Stanislav Leu
Snir Levi
Samuel Lewis
Songshang Liang
Shawn Liu
Szymon Lizak
Steven Llewellyn
Sergey Valerievich Lobatsevich
Sergey Sergeevich Lobatsevich
Simon Long
Stefano Lorenzin
Sebastián Lozano
Stephen Lucas
Simeon Lucas
Stewart Luke
Stephan Luzi
Stefan Macanovic
Steven MacDonald
Sanele Madhlophe
Steven Madrigal
Sashanka Madushanka Samarathunge Arachchige
Soroush Mahmoudi
Saddam Houssein Mansour
Stavros Mantalos
Szymon Marciniak
Sladan Markovic
Steve Martin
Stephen Martin