Adam Laurence "Addie" Adamson OBE (10 March 1884 – 21 July 1984) was a New Zealand businessman, accountant and local politician.

Born in Pahia in Western Southland, Adamson was educated at Pahia School and Southland Boys' High School.

He worked on offices and ran general stores in Tuatapere and Orepuke with his brother Harry before becoming a partner in the firm of Featherston, Adamson and Francis, Accountants and Secretarial Services.

[1] In the 1956 New Year Honours, Adamson was appointed an Officer of the Order of the British Empire, in recognition of his service as mayor.

He drove a car until he was 99, and spoke at a formal dinner two nights before his death on 21 July 1984, aged 100.