Rina Ikoma is a Japanese actress and voice actor born on December 29, 1995, in Yurihonjo, Akita Prefecture. She is affiliated with the agency A.M.Entertainment. Her career began in the entertainment industry as a founding member of the idol group Nogizaka46, where she was famously the "eternal ace" and original center for the group's early singles. She was active with Nogizaka46 from 2011 until her graduation in 2018.

Ikoma's entry into voice acting occurred in 2015 when she voiced the character 2GB子 in the television anime Go!Go!家电男子. After several years focused on other acting pursuits, she returned to voice acting with a significant role in 2022. She was cast as Wistario Afam in both the game Mobile Suit Gundam: Iron-Blooded Orphans G and the accompanying short anime series Mobile Suit Gundam: Iron-Blooded Orphans – Urðr Hunt. This role in the long-running Gundam franchise is noted as her first leading role in an anime production. Beyond these credits, her known voice work includes a minor role as a female student in an episode of the Dropkick on My Devil! series in 2018.

In addition to her scripted voice roles, Ikoma has contributed her voice to commercial work, such as providing the voice for the character "Giga-chan" in SoftBank advertising campaigns. Her work as an idol with Nogizaka46 also intersected with the anime world through music, as she performed on several singles used as theme songs for anime and film adaptations, including the openings for Magi: The Labyrinth of Magic and Naruto Shippuden.

Outside of voice acting, Ikoma has built a career as a live-action actress. She has appeared in numerous television dramas and films, notably starring as Naomi Nakashima in the live-action adaptations of the horror game Corpse Party. A self-proclaimed fan of manga and tokusatsu, she achieved a long-held ambition by acting in the Kamen Rider franchise, playing the character Finis in the 2019 film Kamen Rider Reiwa The First Generation.