Hannah Alcorn is an American voice actress known for her work on English-language dubs of Japanese anime series. Born in Houston, Texas, she began acting on stage at the age of eleven and has been working professionally since the age of eighteen. Her early career in anime voice acting included several principal roles for ADV Films, a prominent distributor of anime in North America during the 2000s.

Alcorn is known for voicing leading female characters in several major anime series. She provided the voice of Sunako Nakahara in the comedy series The Wallflower, a role that marked one of her first principal anime parts. She also voiced Marin Nijihara, a sweet but bumbling witch hunter, in the magical comedy series Magikano. Her other significant anime roles include Riannon in the fantasy action series Tears to Tiara and Michiko Kozuki in the science fiction drama Blue Drop. Alcorn has also contributed to long-running franchises, providing voices for various characters including additional voices in Hunter × Hunter (2011) and Blonde Woman, Girl, Reporter, and Yamcha's Fanclub in Funimation's dub of Dragon Ball. Further anime credits include characters such as Luna in Outbreak Company, Primula in Tears to Tiara, Catgirl Weirdo in UFO Ultramaiden Valkyrie, and additional roles in projects like The Asterisk War and Gods Eater. Beyond anime series, her voice work has also extended to feature films, including the Korean action drama Mil-jeong (released in English as The Age of Shadows), where she provided the English voice for the character Kim Sa-Hee.