Joanne Kelly (born in 1978 in Bay d'Espoir, Newfoundland and Labrador, Canada) is a Canadian actress. She attended Acadia University in Nova Scotia.

Her first movie role was the 2002 movie The Bay of Love and Sorrows. She has also played alongside actors such as Paul Gross in Slings and Arrows and Gordon Pinsent in Heyday. She also played Libby on the J. Michael Straczynski series Jeremiah on Showtime from 2003-2004. She also played the role of Sara Collins in Fox's Vanished and the vampire Bianca in SciFi's The Dresden Files. Her breakout role was in the film Going the Distance. She currently portrays the role of Secret Service agent Myka Bering on the Syfy series Warehouse 13.