Watsonia North is a suburb of Melbourne, Victoria, Australia, 17 km north-east of Melbourne's Central Business District, located within the City of Banyule local government area. Watsonia North recorded a population of 3,799 at the 2021 census. In 2022 Watsonia North has emerged as Australia’s most tightly held suburb, with homeowners hanging onto their houses for more than 23 years on average before selling.