Henry Daglish (18 November 1866 – 16 August 1920) was an Australian politician who was the sixth premier of Western Australia and the first from the Labor Party, serving from 10 August 1904 to 25 August 1905. Daglish was born in Ballarat, Victoria, and studied at the University of Melbourne. In 1882, he worked as a mechanical engineer but soon switched to working in the Victorian public service. He first stood for election in 1896 but failed to win the Victorian Legislative Assembly seat of Melbourne South. He then moved to Subiaco, Western Australia, where he found work as a chief clerk in the Western Australian Police Department. In 1900, Daglish was elected to the Subiaco Municipal Council and in April the following year, he was elected to the Western Australian Legislative Assembly as