Football referees
Walter Enrique López Ramos
Waltteri Lummi
Wallas Martins Lopes
William Mattus Vega
Wenceslao Meneses
Weimar Michel
Wilmar Hernando Montaño Guevara
Wander Mosquera Mena
Wilson Muianga
Wojciech Myć
Walid Nagy
William Oloya
Wilton Pereira Sampaio
Wilmer Pino Mercado
Wilmar Alexander Roldán Pérez
Williams Romero
Wiomar Santana de Oliveira
Warintorn Sassadee
Eketsang Welcome Setloboko
Wladyerisson Silva Oliveira
Wesley Silva Santos
Wagner Francisco Silva Souza
Wagner Silveira Echevarria
Willem Smakman
Wim Smet
Wilmer Soriano
Wolfgang Stark
Wu Sun
Walterson Torchon
William Toulliou
Wayne Van Gorp
Wilmer Villanueva
Wei Wang
Wei Wang
Wouter Wiersma
William Wilson
Wai Lun Wong
Wei Zhen
Wenbin Zhu
Wagner Reway
Wanderson Alves de Souza
Wathik Mohammed Abdallah Al Baag
X. Agolli
Xhulian Bacaj
Xing Guan
Xiang Guo
Xiangyu Guo
Xin He
Xiaochun He
Xiaohu Hei