Susie (Sue) Pedersen (born 1977) is a Canadian physician, a Specialist in Endocrinology & Metabolism, and a Diplomate of the American Board of Obesity Medicine. She is a member of the Expert Committee for the Diabetes Canada Clinical Practice Guidelines as a coauthor on the Weight Management Chapter. She is also lead author of the pharmacotherapy chapter of the 2019 Obesity Canada Clinical Practice Guidelines. She published the first randomized controlled trial on a portion control toll for weight loss (Pedersen et al. 2007).