| Guylaine St. Onge | |
| Birth Date: | June 1, 1965[1] |
| Birth Place: | Saint-Eustache, Quebec, Canada |
| Death Place: | Toronto, Ontario, Canada |
| Yearsactive: | 1988–2003 |
| Spouse: | David Nerman (?–?) |
Guylaine St. Onge (June 1, 1965 – March 3, 2005) was a Canadian actress.
She was born in Saint-Eustache, Quebec. After working as a model and a dancer, she appeared in the Canadian television series Mount Royal in 1988.[2] Other television series followed, including a recurring role on the syndicated western drama series Lonesome Dove: The Outlaw Years" (1995–96) and a lead role on the Showtime drama series Fast Track (1997–98).[3] She also had episode guest appearances on The Outer Limits ("Bodies of Evidence"; season 3, episode 16), La Femme Nikita ("Threshold of Pain"; season 3, episode 12), and Mutant X ("Whiter Shade of Pale"; season 1, episode 11).
She played the role of Juda during the fifth season of the television series . She also had a role in the 2001 movie Angel Eyes.
In 2005, she died of cervical cancer at the age of 39.
Her ex-husband is Canadian actor David Nerman, who played "Albert", the manservant in several Philadelphia Cream Cheese commercials. They have a son, Aidan.