Chihiro Ikki is a Japanese voice actress affiliated with the agency Aoni Production. She was born in Shizuoka Prefecture, Japan, on April 16, 1989. She is a graduate of Gakushuin University and the 32nd class of the Aoni Juku training school, the training institution affiliated with her agency.

Ikki made her voice acting debut in 2010 with a role in the video game Yakuza 4. Her first major recurring role in an animated television series came in 2012, when she voiced the character Diana in the anime adaptation of the game,探险Driland. Following this, she began to accumulate credits in a wide range of popular and long-running anime series. Her television credits include minor roles in One Piece, Saint Seiya Omega, and the franchise's various entries such as the film Dragon Ball Z: Battle of Gods. In 2017, she was cast in the ongoing role of Raiden Denki in the series Boruto: Naruto Next Generations, a part she continued to play in subsequent years. Her work also extends to video games, with a noted role as Otohime in the action game Toukiden.

While her roles are often in supporting or guest capacities, she has been a consistent presence in several major franchises. One of her more prominent roles is within the World Trigger series. She was initially cast as Ren Tsukimi, a Border operator. Later, in 2015, she was cast as the sniper Akane Hiura, a member of Nasu Squad, a role that gave her greater visibility within the show's ensemble cast. Her career is marked by recurring collaborations with other voice actors also affiliated with Aoni Production, a common pattern in the industry due to the agency's strong influence. Information from fan databases indicates frequent co-appearances with actors such as Rie Kugimiya, Naomi Ohzora, and Hikaru Midorikawa across various projects.