• Railway lines in Japan by prefecture‎ (4 C)

0–9

• 2 ft 6 in gauge railways in Japan‎ (25 P)
• 1067 mm gauge railways in Japan‎ (4 C, 395 P)

A

• Abukuma Express Line‎ (27 P)

C

• Closed railway lines in Japan‎ (22 P)

F

• Fukui Railway Fukubu Line‎ (26 P)
• Fukushima Kōtsū Iizaka Line‎ (14 P)

H

• Lines of Hakone Tozan Railway‎ (2 P)
• Hankyu Railway lines‎ (4 C, 10 P)
• Lines of Hanshin Electric Railway‎ (1 C, 4 P)
• High-speed railway lines in Japan‎ (1 C, 13 P)
• Hiroden Streetcar lines and routes‎ (2 C, 1 P)
• Hokuriku Railroad Asanogawa Line‎ (13 P)
• Hokuriku Railroad Ishikawa Line‎ (18 P)

I

• Isumi Line‎ (16 P)

J

• Lines of Japan Railway companies‎ (6 C, 1 P)
• Japanese railway diagrams‎ (3 C)
• Japanese third-sector railway lines‎ (84 P)

K

• Katsuyama Eiheiji Line‎ (25 P)
• Lines of Keihan Electric Railway‎ (7 P)
• Lines of Keikyu‎ (5 C, 5 P)
• Lines of Keio Corporation‎ (6 C, 7 P)
• Lines of Keisei Electric Railway‎ (2 C, 6 P)
• Lines of Kintetsu Railway‎ (1 C, 24 P)
• Kita-Shinano Line‎ (7 P)
• Kurihara Den'en Railway Line‎ (18 P)

L

• Lines of Nagoya Railroad‎ (21 P)

M

• Mikuni Awara Line‎ (26 P)
• Monorail lines in Japan‎ (9 P)

N

• Lines of Nankai Electric Railway‎ (9 P)

O

• Lines of Odakyu Electric Railway‎ (3 C, 3 P)

P

• Proposed railway lines in Japan‎ (6 P)

R

• Rapid transit lines in Japan‎ (2 C)

S

• Lines of Sagami Railway‎ (2 C, 4 P)
• Lines of Seibu Railway‎ (11 C, 12 P)
• Shinano Railway Line‎ (1 C, 25 P)

T

• Lines of Tobu Railway‎ (12 C, 17 P)
• Lines of Tokyo Monorail‎ (1 C)
• Lines of Tokyu Corporation‎ (8 C, 9 P)

Y

• Yamagata Railway Flower Nagai Line‎ (18 P)
• Lines of Yokohama Minatomirai Railway‎ (1 C, 1 P)

Σ

• Japanese rail line stubs‎ (1 C, 80 P)

Ω

• Wikipedia categories named after railway lines in Japan‎ (216 C)

• List of railway lines in Japan
• Railway electrification in Japan

A

• Akechi Line
• Akita Nairiku Line
• Amagi Railway Amagi Line
• Aoimori Railway Line
• Aonami Line
• Asatō Line

C

• Chichibu Main Line
• Chikuhō Electric Railroad Line
• Chōshi Electric Railway Line

E

• Enshū Railway Line
• Etsumi-Nan Line

F

• Fujikyuko Line
• Fujisaki Line
• Fukui Railway Fukubu Line
• Fukushima Kōtsū Iizaka Line
• Fukushima Rinkai Railway Main Line

G

• Gakunan Railway Line
• Gunchū Line

H

• Hachinohe Rinkai Railway Line
• Hanazono Line
• Hankai Line
• Hankai Uemachi Line
• Tōzai Line (Kobe)
• Hōjō Line
• Hokuhoku Line
• Hokuriku Railroad Ishikawa Line
• Hokusō Line
• Honmachi Line

I

• Ibara Line
• Ise Line
• Isumi Line
• Ita Line
• Itoda Line
• Iwate Galaxy Railway Line
• Izu Kyūkō Line

J

• Jōhoku Line (Iyotetsu)
• Jōmō Line
• Jōnan Line
• Jōshin Dentetsu Jōshin Line

K

• Katsuyama Eiheiji Line
• Keisei Narita Airport Line
• Keiyō Rinkai Railway Rinkai Main Line
• Kikuchi Line (railway)
• Kishigawa Line
• Kishū Railway Line
• Kita-Matsue Line
• Kita-Shinano Line
• Kominato Line
• Kōnan Railway Kōnan Line
• Kōnan Railway Ōwani Line
• Kurobe Senyō Railway

L

• List of railway lines in Japan (A to I)
• List of railway lines in Japan (J to P)
• List of railway lines in Japan (R to Z)

M

• Man'yōsen Shinminatokō Line
• Man'yōsen Takaoka Kidō Line
• Mikuni Awara Line
• Minamiaso Railway Takamori Line
• Minato Line
• Miyafuku Line
• Miyazu Line
• Mizuma Railway Mizuma Line
• Mizushima Main Line
• Mojikō Retro Scenic Line
• Mooka Line

N

• Nagano Dentetsu Line
• Nagano Electric Railway
• Nagareyama Line
• Nanao Line
• Nishikigawa Seiryū Line
• Nishitetsu Kaizuka Line

O

• Ohmi Railway Main Line
• Ohmi Railway Taga Line
• Ohmi Railway Yōkaichi Line
• Ikawa Line
• Ōigawa Railway Ōigawa Main Line
• Ōtemachi Line

R

• Rinkai Line

S

• Sagano Scenic Railway
• Saitama Rapid Railway Line
• Sanyo Electric Railway Aboshi Line
• Sanyo Electric Railway Main Line
• Sendai Airport Line
• Shibayama Railway
• Shimabara Railway Line
• Shin-Keisei Line
• Shinano Railway Line
• Shintetsu Ao Line
• Shintetsu Arima Line
• Shintetsu Kobe Kosoku Line
• Shintetsu Kōen-Toshi Line
• Shintetsu Sanda Line
• Shizuoka Railway Shizuoka–Shimizu Line

T

• Tagawa Line
• Taisha Line (Bataden)
• Takahama Line
• Tarumi Line
• Tateyama Sabō Erosion Control Works Service Train
• Nishitetsu Tenjin Ōmuta Line
• Tenryū Hamanako Line
• Third-sector railway
• Toden Arakawa Line
• Toyama Chihō Railway Toyamakō Line
• Tōyō Rapid Railway Line
• Toyohashi Railroad Atsumi Line
• Tsugaru Railway
• Tsukuba Express

U

• Ueda Electric Railway Bessho Line
• Utsunomiya Light Rail

W

• Wakasa Line
• Watarase Keikoku Line

Y

• Yokogawara Line
• Yunomae Line
• Chōkai Sanroku Line

Τ

• Template:Fukui Railway Fukubu Line