World Factbook
- Labrador (peninsula, region)
- Labrador Sea
- Laccadive Islands
- Laccadive Sea
- Lagos (former capital)
- Lahore (city)
- Lake Erie
- Lake Huron
- Lake Michigan
- Lake Ontario
- Lake Superior
- Lakshadweep (Laccadive Islands)
- Lantau Island
- Lao (local name for Laos)
- La Paz (administrative capital)
- La Perouse Strait
- Laptev Sea
- Las Palmas (city)
- Latakia (region)
- Latvija (local name for Latvia)
- Lau Group (island group)
- Lefkosa (see Nicosia)
- Leipzig (city)
- Lemnos (island)
- Leningrad (city; former name for Saint Petersburg)
- Lesser Sunda Islands
- Lesvos (island)
- Leyte (island)
- Liancourt Rocks (claimed by Japan)
- Liaodong Wan (gulf)
- Liban (local name for Lebanon)
- Libreville (capital)
- Lietuva (local name for Lithuania)
- Ligurian Sea
- Lilongwe (capital)
- Lima (capital)
- Lincoln Sea
- Lion, Gulf of
- Lisbon (capital)
- Little Belt (strait; also Lille Baelt)
- Ljubljana (capital)
- Llanos (region)
- Lobamba (city)
- Lombok (island)
- Lombok Strait
- Lome (capital)
- London (capital)
- Longyearbyen (capital)
- Lord Howe Island
- Lorraine (region)
- Louisiade Archipelago
- Lourenco Marques (city; former name for Maputo)
- Loyalty Islands (Iles Loyaute)
- Luanda (capital)
- Lubnan (local name for Lebanon)
- Lubumbashi (city)
- Lusaka (capital)
- Luxembourg (capital)
- Luzon (island)
- Luzon Strait
- Lyakhov Islands