Swanbourne is a village and civil parish in the unitary authority area of Buckinghamshire, England. It lies about two miles east of Winslow and three miles west of Stewkley, on the secondary road B4032.

Swanbourne is a western coastal suburb of Perth, Western Australia, located within the City of Nedlands. It is an affluent, upper middle class residential area with older Federation style homes, many being renovated. The suburb was established in the late 19th century. New housing estates have been built recently through the redevelopment of areas such as the Swanbourne Senior High School, Swanbourne Primary School and Lakeway Drive-In Cinema sites.