Man'yōsen (万葉線株式会社 Man'yōsen Kabushiki Kaisha) is an electric railway company based in Takaoka, Toyama Prefecture, Japan, and operates two city tram lines: the Shinminatokō Line and the Takaoka Kidō Line.
The tram lines originally operated by Kaetsunō Railway were transferred to the newly established Man'yōsen in 2002.