Rebecca Becker is a voice actor known for her work in English-language dubs of anime and animated series. Her career in voice acting spans from the mid-2000s to the present, with a focus on providing voices for characters in children's animated programming.

Becker's body of work is primarily associated with the Pokémon franchise. She is credited with providing additional voices for the long-running Pokémon animated series, which began in 1997. Her filmography includes a role in the 2017 animated feature film Pokémon the Movie: I Choose You!, where she is listed among the cast for additional voices. In a more prominent role within the franchise, she voices the Mythical Pokémon Marshadow. This character appears in Pokémon the Movie: I Choose You! and is also featured as a Poké Ball summon in the crossover fighting game Super Smash Bros. Ultimate, for which Becker provided the English voice.

Beyond the Pokémon series, Becker's voice acting credits encompass a variety of other animated shows. She voiced the character Cara in the series Heroes of the City in 2012. In 2013, she was the voice of Lola in Mily Miss Questions, an educational animated series. Her other roles include voicing Pilou in an episode of 44 Cats in 2018 and portraying Trina in the 2023 series Quantum Heroes Dinoster. These roles highlight her ongoing involvement in dubbing for children's animated content.