Markham is a provincial electoral district represented in the Legislative Assembly of Ontario. It was created in 1986. Also known as Markham—Whitchurch-Stouffville, it was a federal electoral district which elected representatives to the Canadian House of Commons from 1988 to 2000.

The Markham GO Station is a train and bus station in the GO Transit network located in Markham, Ontario in Canada. It is a stop on the Stouffville line train service.

The American Elm U. americana cultivar Markham was cloned from "an outstanding tree" growing naturally at Avon, New York before 1950. The original tree, now long dead, was of great size, and possessed an extremely pendulous branching habit. It is not known whether any clones remain in cultivation.

Markham was a 1959-60 television series which aired in the U.S. on CBS.