K
- Hiromitsu Kadota
- Masaru Kageura
- Masayuki Kakefu
- Genji Kaku
- Masaichi Kaneda
- Makoto Kaneko
- Yoshiaki Kanemura
- Gabe Kapler
- Takashi Kashiwada
- Shinichi Kato
- Takeharu Kato
- Yoshitaka Katori
- Masahiro Kawai
- Tetsuharu Kawakami
- Takeo Kawamura
- Mototsugu Kawanaka
- Munenori Kawasaki
- Matt Keough
- Yusei Kikuchi
- Ryuji Kimura
- Takuya Kimura
- Tatsuhiko Kinjoh
- Mike Kinkade
- Sachio Kinugasa
- Willie Kirkland
- Hiroshi Kisanuki
- Manabu Kitabeppu
- Kazuhiro Kiyohara
- Atsushi Kizuka
- Hiroyuki Kobayashi
- Itaru Kobayashi
- Masahide Kobayashi
- Masahito Kohiyama
- Hideo Koike
- Hiroki Kokubo
- Norihiro Komada
- Tatsuo Komatsu
- Satoru Komiyama
- Dae-Sung Koo
- Makoto Kozuru
- Michael Kresnick
- Yuya Kubo
- Kimiyasu Kudoh
- Tomoyuki Kubota
- Hideki Kuriyama
- Hiroki Kuroda
- Satoshi Kuroda
- Masumi Kuwata
Read more about this topic: List Of Japanese Baseball Players