Shiori Izawa is a Japanese voice actress and narrator born on February 1, 1987, in Saitama Prefecture, Japan. She began her career in 2006 and is currently affiliated with the talent agency Voice Kit, having been previously associated with EARLY WING until March 2022. A graduate of the Japan Institute of Technology, her early voice roles included minor characters in series such as A Certain Magical Index and Hell Girl: Three Vessels.

Izawa has built a extensive career, lending her voice to a wide variety of characters across anime television series, films, and video games. Her ability to portray a broad spectrum of roles, from cute and mysterious creatures to energetic and determined young girls, has made her a sought-after talent in the industry. Among her most notable and acclaimed roles is Nanachi in the Made in Abyss franchise, a character she has voiced across the television series, recap films, and the feature film Dawn of the Deep Soul. Another high-profile role is Pochita, the lovable chainsaw dog, in the massively popular series Chainsaw Man.

Her filmography demonstrates a consistent presence in a variety of genres. She has voiced characters in fantasy and adventure series such as Iris in The Strongest Sage With the Weakest Crest, E.M. Pino in Edens Zero, and Pip in Dragon Goes House-Hunting. In science fiction and mecha anime, her roles include Sophie Pulone in Mobile Suit Gundam: The Witch from Mercury and Phantom in Girly Air Force. She also frequently appears in comedy and slice-of-life series, such as Sakura in Don't Toy with Me, Miss Nagatoro, Azuki in Nekopara, and Robot Club Seki in Keep Your Hands Off Eizouken!.

Beyond these, Izawa's extensive list of credits showcases her versatility. She has taken on roles in series like Love Flops as Raburin, Rumble Garanndoll as Misa Kuroki, Uzamaid! as Yui Morikawa, Planet With as Ginko Kuroi, The Seven Heavenly Virtues as Sandalphon, and Full Dive as Mizarisa, among many others. Her work also extends to the long-running Sword Art Online franchise, where she voices the information broker Argo and the feathered dragon Pina. In the video game world, she is known for voicing characters like Diona in Genshin Impact and the protagonist Marco in Marco & The Galaxy Dragon. Her career continues to flourish, with roles announced in upcoming projects such as The Beginning After the End as Sylvie and the anime film Made in Abyss: Mezameru Shinpi, reprising her role as Nanachi.