Mai hivatalos név
| Ország | Névváltozatok
|
| Lohsa | NM | Łaz [so.] |
| Loitz | NM | |
| Lojme | AL | |
| Lojo ld. Lohja / Lojo | | |
| Lokači / Лoкaчi | UKR | Łokacze [LEN -1795, 1919-1939]; Lokači / Лoкaчи [OR 1795-1918] |
| Łokacze ld. Lokači | | |
| Loket | CS | Elbogen [AU -1918, NM 1938-1945] |
| Lőkösháza | MA | Lecuşhaz [ro.] |
| Lom / Лoм | BG | |
| Lomonosov / Лoмoнocoв | OR | †Oranienbaum / Оpaниeнбaум |
| Lomza ld. Łomża | | |
| Lomža ld. Łomża | | |
| Łomża | LEN | Lomza [NM 1795-1807, 1941-1945]; Lomža / Лoмжa [OR 1815-1915]; Lomža / Лoмжa [OR, BEL 1939-41]; Lomzhe [ji.] |
| Lomzhe ld. Łomża | | |
| Longega ld. Longega / Zwischenwasser | | |
| Longega / Zwischenwasser | OL, T | †Longega [1918-69]; Zwischenwasser [AU -1918, NM 1943-1945] |
| Lopar | HR | Loparo [VE -1797, OL 1941-1943]; Loparo [AU 1797-1918, NM 1943-45] |
| Loparo ld. Lopar | | |
| Lopatin ld. Lopatyn | | |
| Lopatnic | MOL | Lopatnik / Лoпaтник [OR 1812-1918]; Lopatnic [RO 1918-1940, 1941-44]; Lopatnik / Лoпaтник [MOL 1944-91] |
| Lopatnik ld. Lopatnic | | |
| Lopatyn / Лoпaтин | UKR | Łopatyn [LEN -1795, 1919-1939]; Lopatin / Лoпaтин [OR 1795-1918] |
| Łopatyn ld. Lopatyn | | |
| Losing ld. Nagylózs | | |
| Loslau ld. Wodzisław Śląski | | |
| Losonc ld. Lučenec | | |
| Losonz ld. Lučenec | | |
| Lott ld. Lad | | |
| Lötzen ld. Giżycko | | |
| Louny | CS | Laun [AU -1918, NM 1939-1945] |
