• Asa Kaigan Railway Asatō Line
  Asa Kaigan Railway Asato Line
  The is Japanese railway line between Kaifu Station, Kaiyō and Kannoura Station, Tōyō. Together with JR Shikoku Mugi Line, it has the official nickname . This is the only railway line operates. The company is abbreviated as . Since the line goes through sparsely populated area, it is in the severe...
  
  , a railway line connecting Tokushima Prefecture and Kōchi Prefecture, Japan
• Tosa Kuroshio Railway Asa Line
  Tosa Kuroshio Railway Asa Line
  The is a Japanese railway line operated by Tosa Kuroshio Railway that runs between Nankoku and Nahari in Kōchi Prefecture.-Stations:...
  
  , a railway line in Kōchi Prefecture, Japan

See also

• Asa Line (railway project), an incomplete railway project that includes both of the lines above listed