The Western Fair is a fair held annually in London, Ontario, Canada in early September.

Markham Fair is one of Canada's oldest country fairs, an annual event established in 1844. It is located in Markham, Ontario and hosted by the Markham and East York Agricultural Society. With over 700 volunteers working on more than 70 committees, Markham Fair is the largest community-based volunteer organization in Canada. The fair and fairgrounds are owned by the agricultural society.