Sylvia ("Sylvie") Ruegger (born February 23, 1961 in Oshawa, Ontario) is a retired long-distance runner from Canada, who represented her native country at the 1984 Summer Olympics in Los Angeles, California. There she finished in eighth place in the women's marathon. She won the 1985 edition of the Houston Marathon, clocking 2:28:36.
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
| Representing Canada | |||||
| 1984 | National Capital Marathon | Ottawa, Canada | 1st | Marathon | 2:30:37 |
| Olympic Games | Los Angeles, United States | 8th | Marathon | 2:29:09 | |
| 1985 | Houston Marathon | Houston, United States | 1st | Marathon | 2:28:36 |
| 1987 | Pittsburgh Marathon | Pittsburgh, United States | 1st | Marathon | 2:31:53 |