Erin Shields is a Canadian stage actress and playwright. She is best known for her play If We Were Birds, which won the Governor General's Award for English-language drama at the 2011 Governor General's Awards, and was a nominee for the 2010 Dora Mavor Moore Award for Outstanding New Play. The play premiered at the Summerworks Festival in 2008 before being mounted by Tarragon Theatre in 2010.

Her other plays include Barrel Crank, Montparnasse (cowritten with Maev Beaty), The Unfortunate Misadventures of Masha Galinski, The Epic of Gilgamesh (up to the part when Enkidu dies) and Soliciting Temptation, and Beautiful Man.