| Louis D'Haeseleer | |
| Birth Name: | Lodewijk Benoît D'Haeseleer |
| Birth Date: | 1911 10, df=yes |
| Birth Place: | Haaltert, Belgium |
| Death Place: | Aalst, Belgium |
| Nationality: | Belgian |
| Occupation: | Politician, clerk |
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 East Flanders, a member of the Belgian parliament, and president of the Liberaal Vlaams Verbond (1966–1967).