Football referees
Yasin Kol
Yaroslav Komaritskiy
Yunus Koshko
Yevgeniy Koval
Yevgeniy Kovalev
Yaroslav Kozyk
Yuri Krush
Yosuke Kubota
Youri Kuipers
Yaroslav Leskiv
Yang Liu
Yann Ludovicy
Yunkun Ma
Yadel Martinez
Yan Marushko
Yoshikazu Matsuzawa
Yuri Matveev
Yeferzon Miranda Martínez
Yoav Mizrahi
Youssouf Mohammed
Yerko Montenegro
Yuri Mozharovskiy
Yuchen Mu
Yusuke Murata
Yoshito Nakagawa
Yuichi Nishimura
Y. Nizovtsev
Yuki Noda
Yudi Nurcahya
Yusuke Ohashi
Yuta Oho
Yorman José Madrid Ortega
Yakup Özhan
Yeong-Rok Park
Yonatan Peinado Aguirre
Yiğit Peşin
Yaroslav Pesotskiy
Yamil Possi
Yovany Quevedo Guerra
Yannick Rothfuss
Yohann Rouinsard
Yusri Rudolf
Yannick Rupert
Yony Sanchez
Ylenia Sánchez Miguel
Yaroslav Shatilo
Yinhao Shen
Yong-Jun Shin
Youssef Sraïri
Yūzō Sudani