Yuka Iguchi is a Japanese voice actress and singer from Tokyo, born on July 11, 1988. She is affiliated with the talent agency Office Osawa. Iguchi began her career in 2002 and made her debut in anime television in 2003 with a role in Di Gi Charat Nyo.

Iguchi is known for a wide range of roles, often portraying characters with youthful or energetic personalities. One of her most prominent and long-running roles is Index in the A Certain Magical Index series, a part she has played since 2008. She is also well-known as Tsukihi Araragi from the Monogatari series, another character she has voiced across multiple installments.

Her filmography includes a variety of notable characters in major anime franchises. In the fantasy genre, she voices Crusch Karsten in Re:ZERO -Starting Life in Another World-, Kishirika Kishirisu in Mushoku Tensei: Jobless Reincarnation, and Myne in Ascendance of a Bookworm. She has also played Hitachi Chigusa in the Is It Wrong to Try to Pick Up Girls in a Dungeon? series, Sherria Blendy in Fairy Tail, and Cow Girl in Goblin Slayer.

Iguchi has been a regular in several other popular series. She voices Mako Reizei in Girls und Panzer and Miku Kohinata in the Senki Zesshō Symphogear series. In 2022, she took on the lead role of Ran Hanamichi, also known as Cure Yum-Yum, in the Pretty Cure series entry Delicious Party♡Precure. Other significant recurring roles include Aoi Yukimura in Encouragement of Climb, Maria Takayama in Haganai, and Maho Misawa in Ro-Kyu-Bu!.

In addition to her voice acting, Yuka Iguchi is also a singer. She made her solo singing debut in 2013 with the single Shining Star-☆-LOVE Letter. Her work in radio has also been recognized; in 2012, she won the Personality Award at the 6th Seiyu Awards for her work as a radio personality.