The Wellington Convict and Mission Site is a heritage-listed former convict agricultural station, Australian Aboriginal mission and cemetery located at Curtis Street, Wellington in the Dubbo Regional Council local government area in New South Wales, Australia. It was built between 1823 and 1844. It is also known as Wellington Convict and Mission Site - Maynggu Ganai, Wellington Valley Settlement, Wellington Aboriginal Mission and Government Farm Site. The property was added to the New South Wales State Heritage Register on 22 March 2011.