William Watt, Australian accountant and politician, 24th Premier of Victoria (d. 1946)

William Alexander Watt (23 November 1871 – 13 September 1946) was an Australian politician. He served two terms as Premier of Victoria before entering federal politics in 1914. He then served as a minister in the government of Billy Hughes from 1917 to 1920, including as acting prime minister during World War I, and finally as Speaker of the House of Representatives from 1923 to 1926.