Kieran Flitton is a British voice actor and writer based in the United States, known for his work in English dubs of anime series. He discovered his affinity for performance from an early age on stages in England and began his voice acting career in 2007. In 2022, he relocated from the United Kingdom to the United States.

Flitton has been credited with a range of notable anime roles. He is the English voice of Renji Yanagi in multiple installments of The Prince of Tennis II franchise, including The Prince of Tennis II, The Prince of Tennis II: U-17 World Cup, and The Prince of Tennis II Hyotei vs Rikkai Game of Future. He voiced the character Yota Murakami in the 2020 anime series Gleipnir. In the mini-series Hetalia World Stars, he provided the voice for the character Slovakia across four episodes in 2021. Another significant role is Kanata Katagiri-Rivington, the lead character in the English dub of the anime MF Ghost.

Beyond these prominent roles, Flitton has contributed his voice to numerous other series, often in supporting or additional voice capacities. His filmography includes characters such as Gregory Violet in Black Butler, Hotei in One Piece, Zagan in An Archdemon's Dilemma: How to Love Your Elf Bride, Kyle Elford in I'm the Villainess, So I'm Taming the Final Boss, and Lemmings in Dead Mount Death Play. He has also been credited with additional voices in series like Vinland Saga, Natsume's Book of Friends, and Sleepy Princess in the Demon Castle.

In addition to animation, Flitton's voice work extends to other media, including television commercials, radio, and audio books. His core professional philosophy emphasizes dedication and consistency as the path to achieving long-term goals.