Yumi Kakazu (born under the kanji 嘉数 由美) (June 18, 1973 - ) is a female seiyū from Kamifukuoka, Saitama (now Fujimino, Saitama). She is currently affiliated with Genki Project. Her blood type is O, and her constellation is Gemini. She is fond of geography, and is a fan of The Checkers and the Saitama Seibu Lions, particularly Kazuhiro Kiyohara, Koji Akiyama, and Hiromichi Ishige.

She appears in numerous anime alongside Hiroyuki Yoshino, and is an acquaintance of singers Aki Misato and Hiromi Satō. She has the same birthday as Sister Princess co-star Yumiko Kobayashi. She became the second official voice of Shizuka Minamoto in Doraemon on April 2005.