Eri Miyajima is a Japanese voice actress and actress born on February 3, 1974, in Tokyo, Japan. She is affiliated with the talent agency Kakehi Production. She began her career in the mid-1990s, with one of her earliest roles being Miyuki Kitano in the 1996 television anime series Aqua Age, also known as Mizuiro Jidai.

Throughout her career, Miyajima has built a diverse filmography spanning anime television series, original video animations, and video games. In 1998, she voiced the character Hyuu in the television anime series Popolocrois Monogatari. Hyuu is a mysterious girl from another world who appears in the kingdom of Popolocrois. The early 2000s saw her in roles such as Kana in the series Haibane Renmei in 2002. Her work in the mecha genre includes the role of Hiryu Tsukishiro in the 2001 original video animation Kanzen Shouri Daiteioh. This character is a transfer student who becomes the fourth member of the Dankettsu Team and pilot of the Dragon-type mecha. She later reprised this role for the character's appearances in the video games Super Robot Wars NEO in 2009 and Super Robot Wars Operation Extend in 2013.

Miyajima's other notable anime credits include Guren in Naruto Shippuden in 2007, Mayumi Tsuwabuki in Kaze no Stigma in 2007, and Mirai Tsukumo in Yu-Gi-Oh! ZEXAL in 2011. Her career has also involved significant work in voice-over for foreign films and television series, providing the Japanese-language dubbing voices for numerous international actors. Among these roles are voicing Reese Witherspoon's characters in films like Walk the Line and Four Christmases, Jessica Alba's characters in the Fantastic Four films, and Emily Procter's character Calleigh Duquesne in the television series CSI: Miami. Her work demonstrates a recurring collaboration with the studio Sunrise, particularly on mecha-related projects like Kanzen Shouri Daiteioh and The Big O, as well as with Bandai Namco for video game adaptations such as the Super Robot Wars series.