Rui Tanabe (田辺 留依, Tanabe Rui; born May 23, 1997) is a Japanese voice actress. Her voice is featured in several anime series, including as Cecil in Wizard Barristers: Benmashi Cecil, Nanana in Nanana's Buried Treasure, and Zhou Yu in Soul Buster. She also voices Rui Aoi in Ai Tenchi Muyo!, Ai Nishimura in One Week Friends, Mafuyu Asahina in Project Sekai, and Kayoko in High School Fleet.