Culture or time period
- Laotian1 objects
- Laotian cultures1 objects
- Lassik2 objects
- Late Horizon of California (after 250–1000 AD)5 objects
- Late Phase 1, Late Horizon: Johnson facies (ca. 1300–1500 AD)2 objects
- Lengua1 objects
- Liberian cultures2 objects
- Lokono (Arawak)121 objects
- Lower Colorado River tribes26 objects
- Lower Emergent Period of California (1000–1500 AD)3 objects
- Lower Yukon River Eskimo2 objects
- Luena5 objects
- Luiseño9 objects
- Lunda1 objects
- Lunda cluster8 objects
- Luvale9 objects
- Luzon80 objects