Jillian Lydia Anne Weir (born 9 February 1993) is an American-born Canadian hammer thrower[2] and member of the Mohawks of the Bay of Quinte First Nation.

[3] She competed in the women's hammer throw at the 2017 World Championships in Athletics.

[5][6] She competed at the 2022 Commonwealth Games, in Women's hammer throw, winning a bronze medal.

[7] Weir's father, Robert Weir represented Great Britain in the discus and hammer throw, winning multiple Commonwealth Games medals.

This biographical article relating to Canadian athletics and track and field is a stub.