Anna Silk (born 31 January 1974) is a Canadian actress best known for her role as Bo Dennis, the protagonist of the Showcase television series Lost Girl. She was born in Fredericton, New Brunswick, Canada, on January 31, 1974. Her father is British and her mother is a "Turkish Cypriot-English expat". Silk has two siblings, a brother and a sister.

Silk attended Fredericton High School and St. Thomas University, where she graduated with a Bachelor of Arts degree in 1997. She began her acting career in theatre, appearing in several productions with Theatre St. Thomas. In 1999, she moved to Toronto to further her acting career. She made her television debut in 2000, with a guest appearance on the series Twice in a Lifetime.

In 2001, Silk was cast in the recurring role of Deb, a flight attendant, on the Canadian sitcom The Newsroom. She also appeared in several other television series in the early 2000s, including Smallville, Stargate Atlantis, and The L Word.

In 2010, Silk was cast as Bo Dennis in the supernatural crime drama Lost Girl. The series ran for five seasons and earned Silk several awards, including a Canadian Screen Award for Best Actress in a Drama Series.

In addition to her work on television, Silk has also appeared in several films. Her film credits include The Wicker Man (2006), The Perfect Husband (2010), and Assassins Tale (2013).

Silk is married to Seth Cooperman, an actor and writer. They have two sons, Samuel and Levi.

In 2019, Silk was awarded the Queen Elizabeth II Diamond Jubilee Medal for her contributions to Canadian society.