Rio Kastle (Legacy of the Duelist)

{{Infobox character
 * image                  = RioKastleMD.png
 * en_name                = Rio Kastle
 * ja_trans_name          = Rio Kamishiro
 * ja_name                = {{Ruby|神|かみ}}{{Ruby|代|しろ}} {{Ruby|璃|り}}{{Ruby|緒|お}}
 * romaji_name            = Kamishiro Rio
 * gender                 = Female
 * deck                   =
 * video_game_debut       = Yu-Gi-Oh! Legacy of the Duelist
 * hide_appearances       = true
 * appears_in_one         =
 * Yu-Gi-Oh! Legacy of the Duelist
 * lotd_deck                =
 * relatives = *Reginald Kastle (Older twin brother)
 * relatives = *Reginald Kastle (Older twin brother)

Rio Kastle, known as Rio Kamishiro ({{Ruby|神|かみ}}{{Ruby|代|しろ}} {{Ruby|璃|り}}{{Ruby|緒|お}}, Kamishiro Rio) in the Japanese version, is an opponent in Yu-Gi-Oh! Legacy of the Duelist. This is a video game depiction of Rio Kastle, a character from the Yu-Gi-Oh! ZEXAL anime.