Walter Langdon Parsons (16 August 1881 – 2 March 1955) was an Australian politician. Parsons was born at North Adelaide, the son of politician John Langdon Parsons and half-brother of Herbert Angas Parsons. He was educated at Queen's School, Angaston Public School and Whinham College. He worked for D & W Murray Limited from 1898, and in 1906 became a storekeeper in Gladstone, operating the Gladstone branch of F. C. Catt Specialty Stores. He renamed the store the W. L. Parsons Stores in 1912. In local government, Parsons was mayor of the Corporate Town of Gladstone from 1914 to 1916. He attempted to enlist for World War I service on 1 November 1918, but was deferred at the recruiting depot.