Rhys Anthony Vague (born 17 January 1996) is an Australian professional basketball player for the Kagawa Five Arrows of the Japanese B.League. He made his debut for his hometown Perth Wildcats in the NBL as a development player in 2014. After four seasons as a development player, he was elevated to a fully contracted player in 2018. In his six seasons with the Wildcats, he was a part of four championship teams in 2016, 2017, 2019 and 2020. Vague also made a name for himself in the State Basketball League (SBL), playing for the Cockburn Cougars, East Perth Eagles and Stirling Senators, earning the SBL's Most Improved Player in 2015.