First responders were called to Marsh Line in Dutton Dunwich for reports of a serious two-vehicle collision.
Elgin County Ontario Provincial Police (OPP) said that just before 7 p.m. Friday an SUV collided with a dirt bike.
"The lone rider of the dirt bike was pronounced deceased at scene," a release from police read.
The identity of the individual will not be released by the OPP out of respect for the family.
Marsh Line between Coyne Road and Dunborough Road was closed for the investigation.