Football referees
Adrian Holmes
Andrew Humphries
Arnold Hunter
Abdulwahid Huraywidah
Ayrton Hursey
Ahmed Hassan Hussain Bilal
Atef Hussein
Ahmed Hassan Hussein
Ahmad Ibrahim
Abdelali Ibrir
Anton Ihring
Akihiko Ikeuchi
Alireza Ildorom
Arnar Ingi Ingvarsson
Arman Ismuratov
Ahmed Issa
Aleksey Ivannikov
Asa'ad Jabarin
Adrien Jaccottet
Aaron Jackson
Anaik Jacoby
A. Jacottet
Abdullah Jamali
Abdallah L. Jammeh
Anže Jerič
Ancizar Geremias Jiménez Domínguez
Aaron Wyn Jones
Aurélien Juenkou
Andrew Juma
Atte Jussila
Alhaji Musa Kabia
Anton Kachanov
Almir Kadiric
Atsushi Kamimura
Anojen Kanagasingam
Alim Kandemir
Antti Kanerva
Ashwin Mohanlal Kanojia
Abdoul Kanoso
Atilla Karaoğlan
Ali Karatutlu
Andrei Karhu
Abdulsalam Kassim
Artem Kataykin
Alexandros Katsikogiannis
Adnan Deniz Kayatepe
Anna-Marie Keighley
Alexandre Keita
Alan Kelly
Artis Ķēniņš