H

• [+] Japanese Baseball Hall of Fame inductees (41 P)

J

• [+] Japan Series champion seasons (1 P)

M

• [+] Managers of baseball teams in Japan (41 P)
• [+] Expatriate baseball managers in Japan (7 P)

N

• [+] Nippon Professional Baseball (9 C, 8 P)

P

• [+] Pacific League (Nippon Professional Baseball) champion seasons (1 P)
• [+] Japanese baseball players (3 C, 346 P)
• [+] Expatriate baseball players in Japan (13 C, 6 P)

T

• [+] Baseball teams in Japan (19 C, 28 P)

V

• [+] Baseball venues in Japan (43 P)

• Baseball in Japan
• Portal:Baseball in Japan

B

• Baseball Challenge League
• Baseball Federation of Japan
• Baseball at the 1964 Summer Olympics
• The Black Mist Scandal (Japanese baseball)

C

• Central League

E

• Eastern League (Japanese baseball)

G

• Gyroball

H

• High school baseball in Japan

I

• Intercity Baseball Tournament

J

• Template:Japan 2006 World Baseball Classic roster
• Template:Japan 2009 World Baseball Classic roster
• Japan High School Baseball Federation
• Japan national baseball team
• Japanese Baseball Hall of Fame
• Japanese Baseball League
• Japanese High School Baseball Championship

K

• Kansai Big Six Baseball League
• Kansai Independent Baseball League

M

• MLB Japan Opening Series 2008
• Matsuzaka Generation

M cont.

• Meikyukai
• Mitsui Golden Glove Award
• Morita Fukui

N

• National High School Baseball Invitational Tournament

P

• Pacific League
• Posting system
• Professional baseball in Japan

S

• Shikoku-Kyūshū Island League

T

• Tohto University Baseball League
• Tokyo Big6 Baseball League

W

• Western League (Japanese baseball)