Louis (Lodewijk) Benoît D'Haeseleer (20 October 1911 – 12 August 1988) was a Belgian clerk and liberal politician.
He was the president-founder of the Liberale Sociale Werken of Aalst.
He was alderman and burgomaster of Aalst, member of the provincial council of Oost-Vlaanderen, a member of the Belgian parliament, and president of the Liberaal Vlaams Verbond (1966–1967).