Yaninna Quiroz is a Chilean voice actor, director, and adapter with extensive experience in the dubbing industry. She is known internationally for providing the Spanish voice for the character Azula in the animated series Avatar: The Legend of Aang. In addition to her on-screen work, she has been a professor of dubbing for over twenty years and is the founder of YQProd, a production company and dubbing school in Chile.

Quiroz has built a career that spans acting, direction, and adaptation across numerous animated series, television programs, films, and video games. Her voice acting credits include a wide variety of roles in series such as Lola in Kaiketsu Zorro, Widget in Wow! Wow! Wubbzy!, Princess Rarity in My Little Pony, Sara and Veronica in Jake Long: American Dragon, and Saranoia in Yin Yang Yo!. Her film work includes roles in Valiant, Stargate: The Ark of Truth, and the Danish film Karlas og Katrine.

Beyond acting, Quiroz has held significant creative and leadership positions. She has worked as a dubbing director and adapter on a substantial number of projects, including the Chilean dubs for the anime series Sonic X and the television series Wife Swap. Her production company, YQProd, is noted as Chile's first dubbing school, where she trains new actors in voice performance. She has also collaborated on and directed voice work for various Chilean animated programs produced for the National Television Council, such as Las Aventuras de Mampato and the Ruka series. Quiroz has also contributed her voice and direction to the Latin Spanish version of the PlayStation 4 game Dreams.