Stouffville () is the primary urban area within the town of Whitchurch-Stouffville in York Region, Ontario, Canada. It is situated within the Greater Toronto Area and the inner ring of the Golden Horseshoe. The urban area is centred at the intersection of Main Street (York Regional Road 14), Mill Street, and Market Street. Between 2006 and 2011, the population of the Community of Stouffville grew 100.5% from 12,411 to 24,886, or from 51% to 66% of the total population of the larger town of Whitchurch-Stouffville. The population of Stouffville from the 2021 census is 36,753.