Louis Schweitzer (1942-2025) was a French businessman and the chairman and CEO of Renault.
Louis Schweitzer or Louis Schwitzer may also refer to:
- Louis Schweitzer (philanthropist) (1899–1971), paper industrialist and philanthropist, donated WBAI to Pacifica Radio
- Louis Schwitzer (1880-1967), American engineer and racing driver
- Louis Schwitzer Award, an engineering award