Heather Marks (born July 25, 1988 ) is a Canadian model. Known in the fashion world for her big eyes and doll- or elfin-like features, her high fashion looks have booked her many campaigns, and her career has followed those of other doll-like models, Gemma Ward, Caroline Trentini, Lily Cole, Lisa Cant, Vlada Roslyakova, Jessica Stam, and Devon Aoki. Marks was born in Calgary, Alberta, and discovered at the Calgary Woman's Show. She won the Mode Models model search at the age of twelve and has since done shows and advertisements for D & G, Calvin Klein, Moschino and other prominent fashion designers. She has appeared on the covers of magazines such as Vogue, Dazed, French and Mixte. She participated in the 2006 Victoria's Secret Fashion Show.[1] Marks has also appeared in the catalogs for Bloomingdales, Burberry, Louis Vuitton, Lloyd Jewelry, Saks Fifth Avenue, Neiman Marcus, Bergdorf Goodman, Holt Renfrew, Max Mara, and Americana Manhasset.

Marks currently lives in Greenwich Village. Marks has said that she used to be a "tomboy" and is a fan of wakeboarding, snowboarding, and soccer.