Brittney Lee Hamilton is an American voice actress known for her work in the English-language dub of the Pokémon anime series. She was born on January 29, 1985, and is based in New York City. Her career in animation voice acting has been primarily connected to the Pokémon franchise, where she has lent her voice to several characters across different series and films.

In the Pokémon universe, one of her notable roles is voicing Millis Steel in the feature film Pokémon the Movie: Diancie and the Cocoon of Destruction. In the movie, Millis is the daughter of a master thief and one of the antagonists who seeks to obtain diamonds from the Mythical Pokémon Diancie. Beyond this film, Hamilton has voiced recurring characters in the television series. She is the voice of Georgia, a Dragon-type Pokémon trainer and rival to the character Iris, in the Pokémon: Black & White series and its sequel, Pokémon: Black & White: Rival Destinies. She also portrayed Gena, a world-famous Poké Puff judge, in episodes of Pokémon the Series: XY. Her work in the franchise continued with the role of Hapu, a Island Kahuna, in an episode of Pokémon the Series: Sun & Moon in 2019.

In addition to her work on Pokémon, Hamilton has been involved in other anime projects. She provided additional voices for the English adaptation of the film Liz and the Blue Bird. Her voice acting also extends to non-anime animation, such as the role of Ruby Stepsister in the children's television series Regal Academy. Apart from voice acting, she has worked as a producer and has appeared in live-action roles, including parts in the television series Boardwalk Empire and Public Morals. Information on specific awards or recurring creative partnerships within the voice acting industry is not detailed in available sources.