| First Name | Heather |
| Last Name | Marks |
| Age | 23 |
| Date of Birth | July 25, 1988 |
| Birthplace | Calgary, Alberta |
| Height | 5' 9¾" (177 cm) |
| Build | Slim |
| Eye Color | Blue |
| Hair Color | Dyed Blonde |
| Star Sign | Leo |
| Ethnicity | White |
| Nationality | Canadian |
| Occupation Category | Model |
| Brand Endorsements | Moschino: Cheap & Chic / Heather Marks (Spring/Summer Ad campaign) [2004]Kenzo (Spring 2004 campaign with Heather Marks) [2004]ASK (Heather Marks as the spokesmodel for the korean brand ASK) [2006]H&M Department Stores (Heather Marks for H&M F/W 2008-09 campaign) [2008] |
| Measurements (inches) | 84-61-86 |
| Dress Size | 4/34 |
| Shoe Size | 10 (US) 41 (EU) |
Heather Marks (born July 25, 1988) is a Canadian model known in the fashion world for her big eyes and doll-like or elfin 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.