LA-WM 2019Fr, 27.09. - So, 06.10.
 | H. Yamagishi | Hiroki Yamagishi | Japan | 06.09.1991 |
| S. Yamamoto | Seito Yamamoto | Japan | 11.03.1992 |
| T. Yamanishi | Toshikazu Yamanishi | Japan | 15.02.1996 |
| M. Yamanouchi | Minami Yamanouchi | Japan | 21.12.1992 |
| J. Yamashita | Jun Yamashita | Japan | 23.08.1997 |
 | C. Yang | Chun-Han Yang | Taiwan | 01.01.1997 |
 | J. Yang | Jiayu Yang | China | 18.02.1996 |
| L. Yang | Liujing Yang | China | 22.08.1998 |
| S. Yang | Shaohui Yang | China | 09.07.1992 |
| J. Yao | Jie Yao | China | 21.09.1990 |
 | N. Yarigo | Noélie Yarigo | Benin | 26.12.1985 |
 | T. Yaseen | Taha Hussein Yaseen | Irak | 01.01.1998 |
 | N. Yatsevich | Nastassia Yatsevich | Belarus | 18.01.1985 |
 | W. Yavi | Winfred Mutile Yavi | Bahrain | 31.12.1999 |
 | E. Yeboah | Emmanuel Yeboah | Ghana | 10.08.1997 |
 | R. Yee | Regan Yee | Kanada | 04.07.1995 |
 | J. Yego | Julius Yego | Kenia | 04.01.1989 |
 | J. Yim | Jung-Hyun Yim | Südkorea | 08.09.1987 |
| J. Yin | Jiaxing Yin | China | 16.03.1994 |
 | D. Yirdaw | Dejene Yirdaw | Äthiopien | 21.08.1978 |
| R. Yoshimura | Reimi Yoshimura | Japan | 22.04.2000 |
 | R. Yousif | Rabah Yousif | Großbritannien | 11.12.1986 |
| Y. Yu | Yuzhen Yu | China | 05.03.1998 |
 | K. Yudkina | Khrystyna Yudkina | Ukraine | 04.12.1984 |