Gloria Armesto is a Spanish dubbing actress known for her work in anime, animated series, and live-action productions for Spanish-language audiences. Her professional activity is documented primarily through her credits in dubbing for television and film.

One of her most recognized voice roles is Lulun, the Princess of Light, in the Spanish dubbing of the anime series Futari wa Pretty Cure Max Heart and its sequel film, Futari wa Precure Max Heart 2: Yukizora no Tomodachi. In the Max Heart series, Lulun is a small, cheerful fairy and the younger sibling of the character Porun, who aids the protagonist Hikari Kujou in her transformation into Shiny Luminous. For the 2005 film Futari wa Precure Max Heart 2: Yukizora no Tomodachi, Armesto is specifically credited with providing the voice for Lulun in the version produced for Spanish television, which aired in 2009.

Beyond her role in the Pretty Cure franchise, Armesto's career encompasses a wide range of dubbing work across different genres. Her credits include providing Spanish voices for characters in animated series such as South Park, where she voiced Sharon Marsh in the first season, and Invader Zim, where she voiced the character Robomadre. She has also dubbed characters in live-action series, including a role in the third season of Desperate Housewives. Her film work includes dubbing for the movie What Dreams May Come and providing additional voices for the Spanish version of the Pokémon film Pokémon 2: The Power of One. These credits demonstrate her versatility as a voice actress, contributing to various projects from mainstream American animation to popular anime series for distribution in Spain.