Kumiko Itō is a Japanese voice actress born on May 8 in Hyogo Prefecture, Japan. Her blood type is AB, and her height is 166 centimeters. She was formerly affiliated with the talent agency 81 Produce until October 2009. After a period working as a freelancer, she later joined Production Ace. As of 2020, she is no longer affiliated with Production Ace and currently works as a sound director at the company C And T.

Her voice acting career includes a variety of roles across anime, foreign film dubbing, and video games. In anime, she is known for playing Karako Koshio in Deadman Wonderland, Miku in Kirarin Revolution, and Kaori Konno in Yes Pretty Cure 5. Her other anime credits include Kako in Peach Girl, Mavis in Thomas and Friends, Suzy and Django in Phineas and Ferb, a role in Major, Lady in Duel Masters, a role in Rockman EXE Beast, a role in Pokémon as the voice of Fuwante (Drifloon), and a role in Sgt. Frog. She also lent her voice to the role of Lire Eryuell in the video game Grand Chase.

In the field of foreign drama and film dubbing, known as gaidai, her major roles include the lead role of Melody in A Place Called Here, the heroine Ashley in Grand Hyatt, a role in Twenty Man Brothers, a role in the film The Reason I Punch the Bear, a role as the young Iranna Mayser in The Reader, and the heroine Francesca in Miracle of米兰. She has also provided narration for various television commercials, including those for Yes Pretty Cure 5, and voice-over work for the NHK series World Heritage.

Her listed hobbies and skills include dancing, singing, reading, shopping for miscellaneous goods, baton twirling, and Kansai dialect. Voice samples for narration and character roles were once available through her former agency profile.