Sir Harold George Alderson, MBE (18 August 1890 - 4 October 1978 ) is a former Australian sports administrator including President of the Australian Olympic Federation.
Alderson was born 18 August 1890 at Balmain, a Sydney suburb. He was the second child of James Bull Alderson, architect, and his wife Lilias Maud, née Smith. Alderson attended Mosman Public School and Fort Street Model School. In 1919, he opened a public accountancy business in the city. He died on 4 October 1978 at Mosman and was survived by his second wife Hilda Nancy Buddee and a daughter.
In 1911, Alderson became a member of the Mosman Rowing Club and in 1915 was the club captain. He then became involved in the New South Wales Rowing Association. He was Secretary from 1918 to 1920, chairman from 1920 to 1970 and president from 1970 to 1978. He was Secretary of the Anniversary Regatta Committee for over 50 years from 1920. From 1927 to 1972, he was the New South Wales Councillor on the Australian Amateur Rowing Council Board. Alderson was a regular rowing contributor to the Sydney Morning Herald.
Alderson had an extensive involvement in the Australian Olympic movement and one journalist referred to him as Mr Olympics. He was President of the New South Wales Olympic Council from 1926 to 1970. In 1936, he was Vice President of the Australian Olympic Federation (AOF) and became President of the Australian Olympic Federation (AOF) in 1946, a position held 1973 when he was replaced by Edgar Tanner. Alderson stepped down as President at the age eighty-two. He was General Manager of the Australian team at the 1936 Berlin Olympics. In his official report on the Games, Alderson stated the need for the construction of cinder tracks and indoor swimming pools in Australia. Harry Gordon wrote that he returned disillusioned by the intruision of nationalism and professionalism into the Olympics. Alderson believed that Australia should focus n the British Empire Games rather than the Olympics. As President of the AOF, he played an important role in Melbourne's bid for the 1956 Summer Olympics as he was a member of the four-man bid delegation.