Mugen Senshi Valis III (夢幻戦士ヴァリスⅢ, Mugen Senshi: Varisu Surī), known as Valis III (or Valis 3) in the West, is a platform game developed by Telenet Japan and originally released for the PC Engine CD-ROM² in 1990 in Japan and the TurboGrafx-CD in 1992 in North America. It was also later ported to the Mega Drive/Genesis. Valis III is the third game in the Valis series and once again features the series' main protagonist Yuko as the lead character as she is also joined by her sister, Valna, and a young warrior named Cham who are new playable characters.

Mugen Senshi Valis III (夢幻戦士ヴァリスⅢ, Mugen Senshi: Varisu Surī), known as Valis III (or Valis 3) in the West, is a platform game developed by Telenet Japan and originally released for the PC Engine CD-ROM² in 1990 in Japan and the TurboGrafx-CD in 1992 in North America. It was also later ported to the Mega Drive/Genesis. Valis III is the third game in the Valis series and once again features the series' main protagonist Yuko as the lead character as she is also joined by her sister, Valna, and a young warrior named Cham who are new playable characters.