Bethesda is a hamlet in York Region, Ontario, Canada, in the town of Whitchurch–Stouffville. The hamlet is centred at the intersection of Warden Avenue and Bethesda Road in the south-eastern region of Whitchurch–Stouffville; it flourished around 1875. The community gained distinction with the formation of a private telephone company, the Bethesda and Stouffville Telephone Association in 1904, with 1188 users from Newmarket to Markham by 1930. The entire system was purchased by Bell Telephone in 1960.