Junko Asami is a Japanese voice actor and narrator born on September 24, 1967, in Kanagawa Prefecture. She is affiliated with the talent agency Project Paan. Asami began her career in the late 1980s and has built a extensive body of work across television animation, original video animations, and video games.

Asami is known for a versatile vocal range, often described as fitting for cute and beautiful少女 characters. Her filmography is particularly rich in OVA productions from the 1990s. In the anime series Demonbane, she voiced the character Ruri Hadou, a role she also reprised in related video games such as Demonbane and Super Robot Wars UX. She is also recognized for her role as Guinevere De Britannia in Code Geass: Lelouch of the Rebellion R2 and as Freya in Mythical Detective Loki Ragnarok. Other notable anime roles include Sayoko Mishima in Oh My Goddess!, Kaoru Hidaka in Super Pig, and Sharania Sheathluh in The Brave of Gold Goldran.

Asami has also had a significant presence in OVAs, often in leading roles. Her extensive credits from this era include the part of Yuko Someya in Nightmare Campus. In the Battle Team Lakers EX series, she voiced the character Reiko, who transforms into Star Laker. For the Venus 5 series, she played Hikari Misono, the hero known as Venus Pink. In the Demon Beast Invasion OVA series, she took on the role of Iyo. She was the voice of Rubiera in the fantasy OVA Gude Crest - The Emblem of Gude. Asami is notably associated with the La Blue Girl franchise, where she voiced the character Fubuki Kai in both La Blue Girl and La Blue Girl Returns, as well as in the related Lady Blue series. Her role as Kei Sinclair was heard in the Midnight Panther OVA. In the adaptation of the popular game Dōkyūsei: Climax, she played the character Miho Suzuki. She also voiced Mai Amatsu in the Twin Dolls OVA series.

In addition to her work in animation, Asami has been active as a narrator and in video games. Her game roles include桐島英理子 in Persona 2: Eternal Punishment and メルト in the 2022 release of Aiyoku no Eustia. A notable moment in her career came in 1998 when she won a competition on the variety show Tamori Club, which led to an increase in her work as a narrator. Asami has also had long-running roles in major franchises, such as providing various voices for the Crayon Shin-chan anime series from 1992 into 2020 and appearing in multiple episodes of Case Closed.