Chauncey Ward Bangs (January 19, 1814 – March 21, 1892) was mayor of Ottawa, Canada in 1878.He was born in Standstead in the Eastern Townships of Lower Canada in 1814, the son of Benjamin Bangs. His family came to Canada from the United States during the War of 1812 and later moved to L'Orignal. He entered the hat and fur business, the same as his father, and came to Bytown in 1847. In 1849, Bangs married Elizabeth Kirby from Hawkesbury.