Football referees
Walter Altmann
William Anderson
William Andrés Arrieta
Włodzimierz Bartos
Willy Bertolotti
Wilfredo Blas
Wout Bonhomme
Will Briers
Wim Bronsvoort
Wilson Brown
Wu Can
Wes Caouette
Wayne Cartmel
William Cavanagh
Wei Cheng
Wai Lung Mario Cheung
Wisdom Chewe
William Collum
Wesley Costa
William Davis
Wesli De Cremer
Wouter Debusscher
Willy Delajod
Wilson Jorge Delgado Fernandes
Wasley do Couto Leon
Wagner do Nascimento Magalhaes
Washington N. Dolo
Wuilder Espinoza
Wael Farhan
Wang Feiqiang
Will Finnie
Wilmer Gantiva Barrantes
W. García
Wayne Grunnill
Walter Guadalupe
Wang Haidong
Wilhem Letukwafa Haitembu
William Hale
Wolfgang Haslberger
Wael Haydar
W. Jian
Wiwat Jumpaoon
Woo-Sung Kim
Wojciech Krzton
Willem Kuijntjes
Wilson Lamouroux Riveros
William Lavis
Wei Li
Wei Liu
Walter Alexander López Castellanos