Nashiko Momotsuki is a Japanese voice actress, actress, cosplayer, and model who made her debut in anime voice acting in 2022. She was born on November 8, 1995, in Aichi Prefecture, Japan. She is affiliated with the talent agency 01familia.

Her entry into voice acting came with the role of Ran Ran, also known as the Princess of Judgement, in the television anime adaptation of Love After World Domination, which premiered in 2022. This part marked her first voice acting role in anime. Prior to this, Momotsuki had established a career in entertainment through live-action television and film, most notably for her portrayal of the villainous character Yodonna in the Super Sentai series Mashin Sentai Kiramager in 2020 and its subsequent spin-off films. Her work also extends to fashion, as she is an exclusive model for the women's fashion magazine Bis.