Risa Kayama is the former stage name of Japanese voice actor and Korean translator Risa Kageyama. She was born in Tokyo on August 3, 1987. Her first major role and voice acting debut came in 2012 when she played the character Hatsune Minase in the original video anime Otome wa Boku ni Koishiteru: Futari no Elder. She initially performed under the name Risa Kayama before transitioning to using her birth name, Risa Kageyama, in October 2016 when she joined the talent agency Rush Style.

Her career encompasses roles in both anime and video games. In anime, her credits include Kota Kawabuchi in Kids on the Slope and background characters in Sengoku Collection and A Certain Scientific Railgun S. She has also been involved in theater productions and drama CDs, showcasing her versatility as a performer. In the realm of video games, she has provided voices for characters such as Rin in My Girlfriend is a Mermaid!?, Karin in The Fox Awaits Me, and Beatrize Terra in Quiz RPG: The World of Mystic Wiz.

A defining aspect of her career is her advanced proficiency in the Korean language, which she studied for over a decade, including time at Yonsei University's language institute in Seoul. This skill allows her to work as both a voice actor and a translator. She has translated game scenarios from Korean to Japanese, often for projects in which she also stars, such as My Girlfriend is a Mermaid!? and The Fox Awaits Me. This combination of performance and translation work is a notable and unique achievement in the voice acting industry. She also hosts a YouTube channel where she speaks exclusively in Korean to introduce Japanese culture to Korean audiences. Her language expertise is formally recognized by top-level certifications, including TOPIK Level 6.