The Ontario Honda Dealers Indy at Markham is an upcoming IndyCar Series race to be held at Markham Centre, in Markham, Ontario, Canada. This race will replace the race held at Exhibition Place in nearby Toronto.
On September 3, 2025, it was announced that the Grand Prix of Toronto would be moved from Exhibition Place to Markham Centre in Markham, Ontario as part of a 5-year deal. The inaugural race will be held on August 16, 2026.