Canby is a city in Clackamas County, Oregon, United States. The population was 15,829 at the 2010 census. It is along Oregon Route 99E, 2 miles northeast of Barlow. In May 2016 Canby was featured on ABC's series 20/20, when the local "Canby Psychic" was part of an investigation of swindling a local rancher of $15 million.