- loudmouth
- loud pedal
- loudspeaker
- Louganis
- Lou Gehrig's disease
- lough
- loughs
- Louis
- Louisburg
- Louisburg College
- Louise
- Louisiana
- Louisiana College
- Louisiana French
- Louisiana Purchase
- Louisiana State University-Alexandria
- Louisiana State University and A & M College
- Louisiana State University-Eunice
- Louisiana State University-Shreveport
- Louisiana Tech University
- Louisiana Tech University
- Louis IX
- Louis Napoleon
- Louis Philippe
- Louis Quatorze