Lionel Nathan de Rothschild, OBE (25 January 1882 – 28 January 1942), also Major Lionel de Rothschild, was a British banker and Conservative politician best remembered as the creator of Exbury Gardens by the New Forest in Hampshire.
He was the eldest son of Leopold de Rothschild (1845–1917) and a part of the prominent Rothschild banking family of England.
In 1910, he was elected to the House of Commons.
In 1917, he co-founded the anti-Zionist League of British Jews.