William Theodore D'Arcy (born 31 July 1939) is a former Australian politician. He was the Labor member for Albert (1972–74) and Woodridge (1977–2000) in the Legislative Assembly of Queensland. D'Arcy was born in Brisbane. He worked as a teacher and business consultant before his entry into politics. Later in 2000 he was convicted of a number of sexual offences against children from his days as a teacher at country primary schools in the 1960s and 1970s. D'Arcy was released in 2007.