Private Isidore Klein was an English soldier of the British Army who died during the First World War.
He was born in 1895, in London, the son of Polish-born parents Asher, a tailor, and Rebecka (Rose) Klein (née Kutnovski). At the time of the 1911 census, Klein had followed his father into tailoring and was living with his family at 19 Chesterfield Road, Leyton.
He is buried in Rue-David Military Cemetery, Fleurbaix.
- Klein, Isidore, cwgc.org. Retrieved 21 August 2013.