Voltaire Molesworth (29 December 1889 – 5 November 1934) was an Australian politician. Born in Balmain to seaman James Molesworth and Elizabeth Ellen Vibert, his family travelled to the socialist New Australia settlement in Paraguay when he was an infant. He was a commercial traveller in Sydney before working with the Cumberland Times around 1911. He continued in journalism and married Ivy Vick in 1916, with whom he had three children. A member of the Labor Party, he was secretary of the Homebush branch, the Granville state electorate council and the Nepean federal electorate council. In 1915 he was elected to the district committee of the Australian Journalists Association, of which he was treasurer (1917–19) and president (1919–21). Molesworth was elected to the New South Wales Legislati