This list of tunnels in Japan includes any road, rail or waterway tunnel in Japan.
| Tunnel | Opening | Start location | End location | Note | |
|---|---|---|---|---|---|
| 13 March 1988 | the second longest railway tunnel in the world (~53.85 km) | ||||
| ~5.88 km | |||||
| 1982 | 9.730 km | ||||
| 2002 | |||||
| 1982 | 7.030 km | ||||
| 2002 | 8.250 km | ||||
| 1982 | |||||
| 7.295 km | |||||
| 1963 | 1.316 km | ||||
| 1963 | 1.415 km | ||||
| 1963 | 3.193 km | ||||
| 1968 | 4.934 km | ||||
| 1968 | 2.917 km | ||||
| 1961 | 5.170 km | ||||
| 1934 | Kobe | ||||
| 5.045 km | |||||
| 1968 | 3.993 km | ||||
| 1973 | 6.472 km | ||||
| 3.988 km | |||||
| 1975 | 8.488 km | ||||
| 1975 | 7.588 km | ||||
| 1975 | 11.747 km | ||||
| 1972 | 7.970km | ||||
| 1942 | |||||
| Sengan Tunnel for #46 Road & JR Sengan Tunnel for Akita Shinkansen (Tazawako Line) | |||||
| 1977 | |||||
| 1983 | ~5.994 km | ||||
| 1997 | Takasaki | 8.295 km | |||
| 1997 | Ueda | 15.175 km | |||
| 1998 | |||||
| Shin-Kobe Tunnel (expressway) | 2012 | Kobe city | Minoya Junction | 8.5 km length | |
| 2009 | Sakishima island | Yumeshima island, Osaka | 2.138 km length | ||
| 1991 | Minakami, Gunma | Yuzawa, Niigata | the longest road tunnel in Japan (~11 km) | ||
| 2008 | Hida city, Gifu | Shirakawa village, Gifu | the second-longest road tunnel in Japan (~10.7 km) | ||
| 18 December 1997 | the third-longest road tunnel in Japan | ||||
| 1985 | Nakatsugawa City, Gifu | the fourth-longest road tunnel in Japan (~8.6 km) | |||
| 1976 | 10.359 km |