Estefanía Piedra, who is also professionally known as Fanny Piedra, is a Mexican voice actor recognized for her work in Latin American Spanish dubs of anime and animated series. Her career began in the late 2010s, and she has since become known for a range of leading and supporting roles in high-profile productions. One of her noted performances is the role of Rumi in the series Junji Ito Maniac: Japanese Tales of the Macabre.

Piedra's filmography includes a variety of significant anime roles. She voiced Miki Makimura in the 2018 Netflix series Devilman: Crybaby and began her long-running role as Ena Saitou in Laid-Back Camp that same year, a character she has continued to voice in subsequent seasons and specials. Her other credits include Felicia Mitsuki in Magia Record: Puella Magi Madoka Magica Side Story, Sachi Umino in A Couple of Cuckoos, Guinevere in The Seven Deadly Sins: Four Knights of the Apocalypse, Lishu in The Apothecary Diaries, and Nina in Nina the Starry Bride. She has also voiced Alice Rondo across multiple installments of That Time I Got Reincarnated as a Slime. Beyond anime, her work extends to other animation and live-action dubbing, including the lead role of Meilin "Mei" Lee in the Latin American Spanish dub of the Pixar film Turning Red. Among her notable achievements is her early start in the industry, as she was born on December 1, 2007, establishing herself as a prominent voice in anime dubbing from a young age.