This list of tallest buildings in Markham, Ontario ranks buildings in the city by height. Markham is a city in the Greater Toronto Area, located north of Toronto. Its growth has led to the emergence of low and high-rise buildings to reduce urban sprawl. Several residential high-rises reaching above 50 m (164 ft) have emerged in the 2010s, a trend that has intensified in the early 2020s. Most of the city's tall buildings are located in the area of Downtown Markham along Highway 7 from Warden Avenue to Kennedy Road and mainly residential structures.
Mainly a suburban area, Markham's buildings are mostly residential condos, hotels with a few office towers. Height restrictions were in place near Buttonville Municipal Airport that have been eliminated with the closure of the airport.
This list ranks buildings in Markham that stand at least 50 m (164 ft) tall, based on CTBUH height measurement standards. This includes spires and architectural details but does not include antenna masts.
The following lists buildings under construction in Markham that are expected to reach at least 100 m (328 ft) in height.
A list of the tallest buildings currently proposed in Markham, which are expected to reach a height of at least 100 m (328 ft).