Kieran Bew is an English actor known for his roles in television series such as Da Vinci's Demons, The Street, and Warrior. He has also starred in films such as Hans Christian Andersen: My Life as a Fairytale and Beowulf: Return to the Shieldlands.

Bew was born in Hartlepool, England, in 1980. He studied drama at the London Academy of Music and Dramatic Art (LAMDA), graduating in 2001. After graduating, he began his acting career in British theatre, appearing in productions such as The Crucible and Richard II. Bew's first major television role came in 2006, when he was cast as Gary Parr in the BAFTA Award-winning series The Street. He went on to star in a number of other television series, including Da Vinci's Demons, The Borgias, and The Musketeers. In 2019, Bew starred in the Cinemax series Warrior, which is based on an original concept by the late Bruce Lee. He played the role of Ah Sahm, a Chinese immigrant who becomes a San Francisco Chinatown gang leader. Bew is also a talented stage actor. He has appeared in productions at the Shakespeare's Globe, the Old Vic, and the Royal National Theatre. Bew is currently filming the upcoming television series House of the Dragon, a prequel to the HBO series Game of Thrones. He will play the role of Hugh Hammer, a knight of the Kingsguard.