Megumi Satō is a Japanese voice actress born on July 5, 1989, in Fukuoka Prefecture, Japan. She is affiliated with the agency AIR AGENCY and graduated from the Fukuoka School of Music and Dancing Specialization, also known as the Fukuoka Music Vocational School. Her native dialect is Hakata-ben.

She began her voice acting career in 2009 or 2010, with one of her early roles being in the series Kakkō Kawaii Sengen! (also known as Stylish Pretty Cure! or Kakko-Kawaii Sengen!). Satō has built a diverse portfolio across anime, video games, and dubbed foreign works.

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 (known as 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. She has also voiced other Pokémon like Eevee, Pumpkaboo, and Victini in the Super Smash Bros. game series.

In addition to her work in the Pokémon world, Satō has taken on a variety of other roles. She voiced the character Hanna Diamant (also credited as Hannah Diament) 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 Amira in the 2021 anime adaptation of the science fiction series Edens Zero. 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 in the series Danbōru Senki Wars (also known as LBX Wars).

Other roles based on the provided examples include Yoko in the series Fairy Tail: 100 Years Quest, the Child in the series My Daemon, Nap in both seasons of the children's anime series Iii Icecrin, Aoi Dōmeki in the movie Twittering Birds Never Fly: The Clouds Gather, Mogu in the Yo-kai Watch: Shadowside film, and Atri in the series ACCA: 13-Territory Inspection Dept. She has also had recurring roles in long-running series such as Chihayafuru (as Natsufusa Tsukuba), Fairy Tail, and The Ancient Magus' Bride. Satō's career includes work on commercials, such as for Mercedes-Benz, and she has served as an assistant personality on radio programs.