Michelle Morgan (born July 16, 1981) is a Canadian actress and singer.

She is the fourth of six children. On June 30, 2012 she married Derek Tisdelle. They have two children: a daughter, Mara Carmen, who was born on 1 April 2011 and a son, Noah Santiago, who was born on 30 September 2013.

She is featured in the drama series Heartland as Amy Fleming's older sister Lou on Canadian television and in the 2008 zombie horror film Diary of the Dead.

In January 2008 she appeared on Stargate Atlantis as FRAN (Friendly Replicator Android) in the episode "Be All My Sins Remember'd". She returned to the show in the December 2008 episode "Ghost in the Machine" as the consciousness of Elizabeth Weir in a copy of FRAN's body, making her the third actress to portray Weir.