Riko Akechi is a Japanese voice actress affiliated with the talent agency 81 Produce. She is from Hyogo Prefecture and her birthday is December 22. She speaks the Kansai dialect, specifically the Kobe dialect. Her hobbies include illustration and manga production, and her skill is writing reviews. She won the Special Award at the 14th 81 Audition in 2020.

Akechi has voiced roles in several anime series and video games. Her anime roles include Angela Rose in The Strongest King’s Second Life, Anastasia in the on-air version of Chuhai Lips: Canned Flavor of Married Women, Poem Kohinata in The Klutzy Class Monitor and the Girl with the Short Skirt, Tatsurō Ochinpo in Chainsmoker Cat, Makiko Tamura in Liar Game, and Mitsuba in SHIBOYUGI: Playing Death Games to Put Food on the Table 44: CLOUDY BEACH. In video games, she voices Sakura Chitose O in Uma Musume Pretty Derby.

She has participated in a range of other productions, providing narration for films and trailers, as well as lending her voice to drama CDs and audio books. Her filmography also includes minor roles in popular anime such as My Dress-Up Darling, Wistoria: Wand and Sword, and Rurouni Kenshin: Kyoto Disturbance.