Catherine Hickson (born in 1955) is a Canadian volcanologist formerly part of the Geological Survey of Canada. Hickson has mapped and studied young volcanoes in Canada assessing their past and future eruptions. In 2003, Hickson was one of the three scientists to report on a hypothetical eruption at the Canadian volcano Mount Cayley. Hickson works in South America where some of the largest and highest volcanoes are, including those in Argentina, Bolivia, Chile and Peru.