Emergency crews responded to a collision in Dundas Street East and Neilco Court, east of Dixie Street, just before 8:30 p.m.
When they arrived, they found the pedestrian without vital signs and in a life-threatening condition.
Police said the victim was later pronounced dead.
The driver of the vehicle remained at the scene, according to police.
The Major Collision Bureau undertook the investigation and the police ask anyone with information to contact 905-453-2121 ext. 3710.