Maiko Itō is a Japanese voice actress born on January 7, 1975, in Tokyo, Japan. She began her career in the entertainment industry after joining 21st Century FOX in 1995 and made her debut as a voice actor in 1997. Her first credited role was providing the voice for the character Yuki in a television animation series. In her early career, she was affiliated with the talent management firm Tritorio Office before transitioning to freelance work in June 2003.

Itō is most recognized for her long-standing association with the Brave series of anime. She voiced the pivotal role of Mamoru Amami, a young boy who merges with the robotic entity Latio, in the 1997 television series King of Braves GaoGaiGar. She reprised this role in subsequent installments of the franchise, including the original video animation series Brave King GaoGaiGar Final in 2000, and its television compilation, GaoGaiGar: King of the Braves Final Grand Glorious Gathering, in 2005. Her involvement with the character continued many years later, as she returned to voice Mamoru Amami in a drama CD released with a special edition of a novel in 2019.

Beyond her signature role in the Brave series, Itō has built a diverse portfolio of character voices across numerous animated series and video games. Her television animation credits include roles such as Esper Roba in Yu-Gi-Oh! Duel Monsters, Terry Griffy in The Prince of Tennis, Edelgard Rivera in the space drama Planetes, and Kikukawa in Speed Grapher. In the 2006 series Witchblade, she voiced the character Mariko Natsuki. She also contributed to various projects in the 2010s, including roles in the 2011 television series Ghastly Prince Enma Burning Up, where she voiced Chapeau Baa and Gariben among others, and lent her voice to the video game Tokyo After School Summoners in 2018 as the character Agyo. Her filmography also includes the visual novel Steady x Study, where she played the role of Makoto Nakane. Itō's work extends to original video animations such as Sakura Wars 2 in 1999, the animated film Ultraman M78 Theater Love & Peace in 1999, and video games including Tokyo 23-ku Seifuku WARS from 1998 and the Xenosaga series, where she voiced Abel in Xenosaga Episode II and Episode III. According to her professional profile, her vocal range is versatile, allowing her to portray characters from children to seniors. She continues to work as a freelance voice actor based in Tokyo.