Robby Sharpe is an American voice actor known for his work in English-language dubs of anime series and animated productions. He was born in St. John's, Newfoundland, and relocated to the United States at the age of seventeen, settling in New York City where he continues to live and work as both a singer and actor. His career in voice acting has led to credits in several major anime franchises.

Sharpe is frequently credited under the full name Robby Sharpe Duncan. One of his notable early roles was providing the voice of Biz in the 2006 science fiction anime series Freedom. The series, which featured character designs by Katsuhiro Otomo, was dubbed in English by NYAV Post, a studio with which Sharpe has collaborated on multiple projects.

He is particularly recognized for his work within the Pokémon anime franchise. Sharpe joined the series during Pokémon the Series: XY, where he voiced the recurring character Sawyer, a key rival to the protagonist Ash Ketchum in the Kalos region. His contributions to the franchise also include voicing other characters such as a Pilot and a Team Flare Grunt in later episodes. According to credit listings, his involvement spans numerous Pokémon series, including Pokémon, Pokémon the Series: XY, Pokémon the Series: Sun & Moon, and Pokémon Journeys.

Beyond Pokémon, Sharpe's voice acting portfolio includes roles in other prominent anime. In the Gundam franchise, he voiced the character Takuya Irei in the English adaptations of Mobile Suit Gundam Unicorn and its sequel, Mobile Suit Gundam NT. He also lent his voice to the Yu-Gi-Oh! franchise, playing Kit Blade in Yu-Gi-Oh! ARC-V. Additional anime credits include the role of Eiji Niizuma in the series Bakuman and a character named Suzuki in the same show.

In addition to anime, Sharpe has worked on original animated productions. He starred as Tobey Li in the Canadian-American animated television series Three Delivery, appearing in all twenty-six episodes of its single season which aired in 2008 and 2009. His work also includes providing additional voices for series such as the action series Kekkai Sensen. While he has built a substantial list of credits, there is no documented public record of major industry awards or formal accolades for his voice acting work.