W（21）
- Active Players
- W
W
- 63 Outfielder
- Wada, Koshiro
- Chiba Lotte Marines
- 54 Outfielder
- Wada, Ren
- Tohoku Rakuten Golden Eagles
- 21 Pitcher
- Wada, Tsuyoshi
- Fukuoka SoftBank Hawks
- 37 Infielder
- Wakabayashi, Akihiro
- Yomiuri Giants
- 37 Catcher
- Wakatsuki, Kenya
- ORIX Buffaloes
- 16 Pitcher
- Wakui, Hideaki
- Tohoku Rakuten Golden Eagles
- 3 Outfielder
- Wang, Po-Jung
- Hokkaido Nippon-Ham Fighters
- 017 Pitcher (*)
- Wang, Yan-Cheng
- Tohoku Rakuten Golden Eagles
- 49 Outfielder
- Watanabe, Daiki
- Tokyo Yakult Swallows
- 35 Pitcher
- Watanabe, Keita
- Chiba Lotte Marines
- 31 Outfielder
- Watanabe, Masaru
- Chunichi Dragons
- 26 Infielder
- Watanabe, Naoto
- Tohoku Rakuten Golden Eagles
- 132 Catcher (*)
- Watanabe, Riku
- Fukuoka SoftBank Hawks
- 23 Infielder
- Watanabe, Ryo
- Hokkaido Nippon-Ham Fighters
- 137 Pitcher (*)
- Watanabe, Takeshi
- Fukuoka SoftBank Hawks
- 48 Infielder
- Watanabe, Yoshiaki
- Tohoku Rakuten Golden Eagles
- 47 Pitcher
- Watanabe, Yuki
- Tohoku Rakuten Golden Eagles
- 48 Pitcher
- Watanabe, Yuta
- Fukuoka SoftBank Hawks
- 12 Pitcher
- Watanabe, Yutaro
- Saitama Seibu Lions
- 48 Infielder
- Wheeler, Zelous
- Yomiuri Giants
- 39 Infielder
- Wu, Nien-Ting
- Saitama Seibu Lions