Claude Douglas Cairns (June 1, 1914 – July 6, 1985) was an American politician who served as the 31st mayor of Burlington, Vermont.

His mayoral victory in 1957 ended eighteen years of Democratic control of Burlington's mayoralty since Republican Louis Fenner Dow left office in 1939.

In 1932 he graduated from the Chauncey Hall Preparatory School and received a degree in chemical engineering from the Massachusetts Institute of Technology in 1936.

[3] In September he proposed adding the support of lowering the voting age to eighteen to the Vermont Republican Party platform.

[18] Late into the campaign he led an effort to block the Citizens Party from giving its nomination and extra ballot access line to Lyndon B.