Kyoko Yoshida is the birth name of the Japanese voice actress and singer professionally known as Kozue Yoshizumi. Born in Tokyo on September 7, 1979, she is a graduate of the Japan Narration Acting Institute and is affiliated with the talent agency Arts Vision. She began her voice acting career in 1998.

She has portrayed a wide range of characters across anime, video games, and original video animations. Her notable anime roles include Sakurakami Suzu in Akihabara Dennou Gumi, Sakura in Eden's Bowy, Lemon in Hanaukyo Maid Team, and Renge Hojuji in Ouran High School Host Club. In the OVA for the series Rumbling Hearts, also known as Kimi ga Nozomu Eien, she voiced the character Mayu Tamano. Her extensive work in video games includes roles such as Koubuin Yuuhi in Muv-Luv Alternative, Mutsuki Shindou in Mizuiro, and Shion Toujou in Otome wa Boku ni Koishiteru.

Beyond her voice work, she has been active as a singer and a member of several voice actor units. She performed an ending theme song for the anime Hanaukyo Maid Team. She was part of the group Lime-tai ARMY early in her career and later formed the unit Lovely Angels with fellow voice actress Saki Nakajima. Throughout her career, she has also worked under various aliases, including Akino Momiji and Uruoi Wakaba, primarily for her contributions to adult-oriented games.