Patricia McNeil is a Canadian costume designer and production designer. She is a two-time winner of Canadian Screen Award for Best Costume Design, for the films Nelly and The Great Darkened Days (La grande noirceur), and a winner of the Canadian Screen Award for Best Art Direction/Production Design for The Great Darkened Days.In 2011, she was nominated for the Genie Award for Costume Design for The Wild Hunt. McNeil designed the costumes for Anne Émond's 2015 film Our Loved Ones, with The Hollywood Reporter reviewing the costuming as "thankfully not too obsessed with aging and getting the period right". McNeil worked for Émond again on Nelly. She collaborated with Simon Bélanger and José Manuel St-Jacques of UNTTLD on the film, drawing inspiration from Marilyn Monroe.In addition to designing the costumes, McNeil served as production designer for The Great Darkened Days.