Azusa Satō is a female Japanese voice actress born on January 8, 1990, in Okayama Prefecture, Japan. She speaks the Okayama dialect. Satō is affiliated with the talent agency Mausu Promotion, having joined in April 2012 after graduating from the Mausu Promotion attached training school as part of its 25th class. She is a graduate of Osaka Animation College.

Satō is best known for her extensive work within the PriPara franchise, a multimedia series focused on idol singers. She voices two significant characters in this universe: Fuwari Midorikaze and Falala A Larm. Her portrayal of Fuwari Midorikaze appears across numerous PriPara installments, including the original television anime, the sequel series Idol Time PriPara, the theatrical films Tobidasu PriPara: Mi~nna de Mezase! Idol Grand Prix, Gekijōban PriPara: Mi~nna de Kagayake! Kirarin Star Live, and PriPara Mi~nna no Akogare Let's Go PriPari, as well as the crossover film Aikatsu! x PriPara THE MOVIE: Deai no Kiseki!. She also reprises the role of Fuwari Midorikaze in the web anime Idol Land PriPara. Her character Falala A Larm is a time spirit and Premium-type idol introduced in Idol Time PriPara.

Beyond the PriPara series, Satō has taken on a variety of other anime roles. She plays Otoka Masaki in the long-running franchise Tenchi Muyo! Ryo Ohki, appearing in the fourth and fifth season OVA series. She also voices Yuki Fuka in Ai Tenchi Muyo!. In the sports anime Medalist, she portrays the character Ritsuki Koguma. Her other television anime credits include the role of Moe in the film Hinata no Aoshigure, a Sexy Girl in 009-1: The End of the Beginning, and characters in series such as BTOOOM!, The Idolmaster, and Fire Emblem Fates.

Satō has also contributed to video games, notably as Marsha in Hagane Orchestra and as Rorone Misutorūto in the Atelier series games, including Atelier Firis: The Alchemist and the Mysterious Journey and Atelier Lydie & Suelle: The Alchemists and the Mysterious Paintings. Her work in the PriPara franchise has led to several character song recordings, including performances as part of the units Dressing Flower and Tricolore, and on songs such as Ton de mo SUMMER ADVENTURE and Rainbow Melody.