Megumi Satou is a Japanese voice actress affiliated with the agency Air Agency. She was born on July 5th in Fukuoka Prefecture, Japan. A graduate of the Fukuoka Music Vocational School, she began her voice acting career in 2010.

Satou has built a diverse portfolio of roles across anime television series, films, and video games. One of her most prominent and long-standing roles is providing the voice for Dedenne, the Electric/Fairy-type Pokémon owned by the character Clemont (Citron in the Japanese version), in the long-running Pokémon animated franchise. She voiced Dedenne in the television series including Pokémon XY, Pokémon XY&Z, and in several theatrical films such as Pokémon the Movie: Diancie and the Cocoon of Destruction, Pokémon the Movie: Hoopa and the Clash of Ages, and Pikachu and the Pokémon Music Squad.

In addition to her work in the Pokémon world, Satou has taken on a variety of other roles. She voiced the character Amira in the 2021 anime adaptation of the science fiction series Edens Zero. She also lent her voice to the character Napp in both the first and second seasons of the children's anime series Iii Icecrin. Her role as the titular Spirit Masako Endō in the 2020 series The House Spirit Tatami-chan is another notable credit. Earlier in her career, she played Akito Tanishita (谷下秋人) in the series Danbōru Senki Wars (also known as LBX Wars).

Beyond these specific titles requested, Satou's career includes several other significant recurring and supporting roles. She is known for playing Hanna Diament (also credited as Hannah Diamant) in the globally popular Attack on Titan franchise, appearing in the main series, its picture dramas, and the comedy spin-off Attack on Titan: Junior High. She also voiced the character Atri in the 2017 series ACCA: 13-Territory Inspection Dept. and has had roles in long-running series such as Chihayafuru (as Natsufusa Tsukuba) and Fairy Tail.

Throughout her career, Satou has worked consistently across various studios and productions. It is important to distinguish her from another public figure with a similar name, the actress Megumi Sato. Her agency, Air Agency, has been her professional home for a significant portion of her career.