Louis De Geer
Louis De Geer is the name of the following people:
- Louis De Geer (industrialist, 1587) (1587–1652), Dutch merchant and industrialist
- Louis De Geer (industrialist, 1622) (1622–1695), Dutch merchant and industrialist
- Louis De Geer (politician, 1818) (1818-1896), Swedish politician and writer
- Louis De Geer (politician, 1854) (1854–1935), Swedish politician