Heather Marks (born July 25, 1988) is a Canadian model known in the fashion world for her big eyes and "doll-like" or elven 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, and Jessica Stam.

She made her ready-to-wear show debut in the Spring/Summer 2004 season, in which she walked over 43 shows (including Anna Sui, Blumarine, Burberry, Chanel, D&G, Givenchy, Lanvin, Louis Vuitton, Marc by Marc Jacobs, Marni, MaxMara, Rochas, Sportmax and Versus by Versace).

[3] Marks has since done shows and advertisements for D & G, Calvin Klein, Emporio Armani, Marc by Marc Jacobs, Max Mara, Moschino, Kenzo, Jimmy Choo, Lacoste, Anna Sui, Christian Lacroix, Just Cavalli, Badgley Mischka, Jeremy Laing, Sisley and other prominent fashion designers.

[4] 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, Americana Manhasset and Aubin & Wills She also had a role in the feature film Silent Hill: Revelation 3D (2012).