Sydney Middleton
 Sydney Albert 'Syd' Middleton DSO OBE (24 February 1884 – 2 September 1945) was an Australian Army officer and national representative rugby union player and rower. He won a gold medal in rugby at the 1908 Summer Olympics and competed in rowing at the 1912 Summer Olympics. He had a distinguished career in World War I being awarded the DSO and later an OBE. He captained the Wallabies in a Test series in 1910.