Saki Ogasawara is a Japanese voice actress affiliated with the agency Ken Production. She was born on March 29th in Aomori Prefecture and is a graduate of the Tokyo Broadcast Academy. Her career began after being discovered through the first Seiyu Award新人发掘选拔.

Ogasawara has built a diverse portfolio of roles across television, web anime, and video games. One of her most prominent and long-running roles is Itsuka Kendo, also known as Battle Fist, in the popular series My Hero Academia, a character she has voiced from the second season onwards. She is also known for her work in the franchise The Honor Student at Magic High School and its parent series, Magic High School: The Irregular at Magic High School, where she plays the role of Azusa Nakajō. Another significant recurring role is that of Emi Kiichi in Alice in Deadly School. Early in her career, she voiced Charuni Meo Kusakabe in the 2011 series Heaven's Memo Pad. Beyond these, she has taken on leading roles in web anime series, portraying Fuuka Torimi in both Master of Torque: Epilogue and Master of Torque 2.

A significant part of her career is also tied to the Idolmaster franchise. Since 2013, she has voiced the character野野原茜 in The Idolmaster Million Live! and has participated in numerous related music album recordings and live performances. Her other notable anime roles include appearances in Wake Up, Girls!, SHOW BY ROCK!!, and Date A Live II. She has also contributed her voice to various video games, such as the recurring role of Nina in the Girls und Panzer game adaptations.

In 2019, Ogasawara took a temporary hiatus from her work to undergo treatment after being diagnosed with stage one tongue cancer. She announced her successful return and recovery in September of the same year. In January 2020, she announced her marriage. Known for her high-pitched voice, she is frequently cast in roles for young girls and children. Her personal interests include cooking, playing with cats, and reading online novels.