Lucy Gaskell (born 10 July 1980) is a British actress. She studied at the Royal Welsh College of Music & Drama in 1998.

Gaskell made her professional stage debut in the Oxford Stage Company's production of The Cherry Orchard which toured the UK in June/July 2003. Gaskell was nominated for the Best Newcomer 2003 award by the Royal Television Society for her role in Cutting It.

Gaskell is known for the roles of Ruby Ferris in the BBC One drama series Cutting It and Kirsty Clements in Casualty. She has also appeared in television and in theatre in numerous roles including Waking the Dead, Holby City, and Where the Heart Is. Other roles include Kathy Costello Nightingale in the 2007 Doctor Who episode "Blink" and Judy in Lesbian Vampire Killers. In 2010 she began a recurring role in the BBC horror drama Being Human as Sam, the love interest of main character George. From 2010 to 2011, she starred in Casualty, playing nurse Kirsty Clements, starring alongside schoolfriend Georgia Taylor, who plays Dr Ruth Winters. When she joined Casualty, she said in interviews that she was contracted indefinitely, but her pregnancy meant that she left after only one year.