Anna Silk is a Canadian actress best known for her role as Bo Dennis, the protagonist of the Showcase television series Lost Girl (2010–2015).

Lost Girl is a Canadian supernatural drama television series that premiered on Showcase on September 12, 2010, and ran for five seasons. It follows the life of a bisexual succubus named Bo, played by Anna Silk, as she learns to control her superhuman abilities, help those in need, and discover the truth about her origins. The series was created by Michelle Lovretta and produced by Jay Firestone and Prodigy Pictures Inc., with the participation of the Canadian Television Fund, and in association with Shaw Media.