Mika Itō is a Japanese voice actress born in Tokyo on March 25, 1984. She began her entertainment career at the age of three as a child actress in a theater troupe, which gave her early performance experience. During her high school years, a theater manager suggested she try voice acting, leading to a successful audition and her official debut in the field. Her first work was dubbing a film role, and her anime debut came as Eri Ninamori in the original video animation FLCL.

Over her career, Itō has taken on a wide variety of roles in anime television series. She is known for voicing the young Kaede in InuYasha and InuYasha: The Final Act, Satoshi Tainaka in K-On! and K-On!!, Rally Dawson in Yu-Gi-Oh! 5D's, and Afar in Overman King Gainer. Other notable roles include Naomi in Witchblade, Tomoko Naruko in Kenkō Zenrakei Suieibu Umishō, Miki Sakashita in Aishiteruze Baby, Lemon in Aquarian Age: Sign for Evolution, and Helios in Metal Fight Beyblade VS Taiyō Shakunetsu no Shinryakusha. She also provided the voice for the title character Paboo in the children's anime series Paboo & Mojies and Maa-kun in Kaasan - Mom's Life. Her additional credits include roles in Mushishi, School Rumble, Noir, Boogiepop Phantom, Sugar Sugar Rune, and Dance in the Vampire Bund.

Beyond television animation, Itō has performed in video games such as Tales of the Abyss as Legretta the Quick and in the Yu-Gi-Oh! 5D's Tag Force series as Rally Dawson. She has also been active in dubbing foreign films and television series for Japanese audiences. Throughout much of her career, Itō was affiliated with the talent agency Three Tree, and in 2017 she transitioned to freelance work while maintaining a business partnership with the agency. She is recognized for her natural and youthful voice, often cast in boyish, neutral, or gentle female roles.