Mansons Landing is an unincorporated community near the southern tip of Cortes Island, British Columbia, Canada.
It was originally the location of the Cortez Island Post Office [sic], which opened April 1, 1893 with Michael Manson as postmaster, and closed December 1, 1898. Michael Manson was a Shetland Islander who maintainted a trading post along with his brother John from 1887 to 1895. He later represented to Comox riding in Victoria. The post office was re-opened on May 1, 1904. The name was adopted into the provincial gazette as a steamboat landing and settlement on April 6, 1950. The post office had been renamed Mansons Landing Post Office on July 9, 1941.