Rifleman William Domenico Orsi was an English soldier of the British Army who died during the First World War.
He was born in 1890, in Knightsbridge, the son of Italian confectioner Domenico and Eleanor Orsi (née Martin), of London. At the time of the 1911 census, Orsi had followed into his father's trade and was living with his family at 449 Fulham Road, Chelsea.
Orsi died on 8 September 1918, during the Allied Hundred Days Offensive, while serving with the 11th (County of London) Battalion (Finsbury Rifles), The London Regiment on the Western Front.
He is buried in Saint Emilie Valley Cemetery, Villers-Faucon.
- Orsi, William Domenico, cwgc.org. Retrieved 11 November 2012.