Football referees
Xinyu Liu
Xin Liu
Xiao Liu
Xuân Hùng Mai
Xhulio Mema
Xiangkun Meng
Xaypasert Phongsanit
Xiaohan Qin
Xola Sitela
Xinyao Wang
Xiaodong Xie
Xing Xiong
Xiangsheng Xue
Xu Yan
Xiaochen Zhang
Xuesen Zhang
Xiao Zhou
Xaver Scheungrab
Xabier Gómez Landazábal
Jun Xia
Xiao Wang
Ximena Márquez Ruíz
Xindong Liu
Yaqoob Said Abdullah Abdul Baki
Yadir Fernando Acuña Ochoa
Yemisi Eunice Akintoye
Yahya Ahmed Ibrahim Al Balushi
Yousif Al Jasmi
Yahya Mohammed Ali Hassan Al Mulla
Yousef Aref Al Shamari
Yasser Al Sultan
Yahya Almulla
Yousuf Hassan Mohamed Alshamali
Youssef Yaqoub Alsharshani
Yimmy Álvarez
Yury Aponasenko
Yusuke Araki
Yiğit Arslan
Yunus Aytekin Atabek
Yusuf Aydın
Yakup Bakır
Yilbert Bermúdez
Yan Bobrovskiy
Yelebodom Bodjona
Yousri Bouali
Yücel Büyük
Yunus Emre Çakar
Younoussa Tawel Camara
Yahir Alexis Cárdenas Peralta
Yohann Cavailles