Satsumi Matsuda is a Japanese voice actress born on July 17, 1993, in Takatsuki, Osaka, Japan. She is affiliated with the talent agency Arts Vision and stands 152 cm tall. She has a twin sister, Risae Matsuda, who is also a voice actress, and the two are known for occasionally appearing in projects together.

Matsuda's journey into voice acting was influenced by a childhood love for tokusatsu, particularly the series Kamen Rider Den-O. Before entering the industry, she and her sister were finalists in the Anisong Grand Prix, a nationwide anime song contest. She is a graduate of the Nippon Narration Engi Kenkyūjo, a prestigious voice actor training school. She made her professional debut in 2013, with one of her earliest roles being Claire in the video game Metal Max 4: Gekkō no Diva.

Matsuda is recognized for her distinctive and energetic voice, which is well-suited for playing young boys and spirited female characters. One of her most prominent and longstanding roles is Syoko Hoshi in the massive multimedia franchise The Idolm@ster Cinderella Girls, appearing in the anime, games, and live concert events. A significant milestone in her career was being cast as Yuki Nekoyashiki / Cure Nyammy in the 2024 series Wonderful PreCure!, marking her entry into the popular Pretty Cure franchise as a main heroic character.

Her filmography includes a wide variety of anime roles. In television animation, she has played Yunael in Magical Girl Raising Project, Tamako Nekoya in Anima Yell!, the second and fourth sisters of Hydra in Miss Kuroitsu From the Monster Development Department, Chiaki Sawada in Kageki Shojo!!, Tsurukoma in Kiyo in Kyoto: From the Maiko House, and Elaine in Drug Store in Another World. She also voiced the Spirit in Smile of the Arsnotoria the Animation and Misha in Arknights: Prelude to Dawn. In theatrical anime, she has taken on roles such as Makoto "Uri-bō" Tateuri in Okko's Inn and its related series, and Nanako Hasaba in the blockbuster film Jujutsu Kaisen 0. She has also frequently voiced a character named Geo across multiple entries in the educational Kagaku Manga Survival series of anime.

Beyond anime, Matsuda has worked in other areas of voice performance. In the tokusatsu genre, she provided the voice for the character Ricky Goldtsuiker / TwokaiRicky in the Super Sentai series Kikai Sentai Zenkaiger. She is also active in video games, with roles such as KMS Magdeburg in Azur Lane and Suzuka Hayami in Sentimental Death Loop.

Outside of her professional work, Matsuda is known for her lively personality and a wide range of interests, including reading, solving sudoku puzzles, singing, dancing, calligraphy, and playing soft tennis and the wadaiko drum. She speaks the Osaka dialect and has a strong affection for tokusatsu, often referring to herself as a "tokusatsu girl".