| Heather Purnell | |
| Fullname: | Heather Mary Purnell |
| Birth Date: | 5 November 1986 |
| Birth Place: | Ottawa, Ontario |
| Discipline: | WAG |
| Show-Medals: | yes |
Heather Mary Purnell (born November 5, 1986) is a Canadian gymnast who represented Canada at the 2004 Olympic Games. She trained at Ottawa Gymnastics Centre with coaches Tobie Goreman and Lori Iurello and Matthew Sparks. In 1999 she was the Canadian All-Around Artistic Gymnastics Champion.