Ikuko Chikuta is a Japanese actress, voice actress, and singer born on December 19, 1991, in Hakodate, Hokkaido. She is affiliated with the talent agency MILLENNIUM PRO. Standing 155cm tall, she has been active as a voice actress since 2016.

Chikuta is best known for her role as the Humboldt Penguin, also known as Hululu, in the Kemono Friends franchise. She first voiced the character in the 2017 television anime series Kemono Friends and also performed insert and theme songs for the show. She reprised the role for the 2019 sequel, Kemono Friends 2. Her involvement with the character extended beyond animation; she played the Humboldt Penguin in the live stage play adaptations of Kemono Friends in 2017 and 2018. In the Kemono Friends franchise, she also provided the voice for the character Peafowl.

Beyond the Kemono Friends anime and stage plays, Chikuta has voiced the character of Hululu in the mobile game Kotodaman. Her other video game voice credits include roles in the title You are a Hero. Chikuta also served as an MC for the online streaming program Animal Encyclopedia, related to Kemono Friends, alongside voice actress Kyoka Tamura.