| Abbreviation | Designation | |
|---|---|---|
| 82 / LU | Lëtzebuerg, Groussherzogtum Lëtzebuerg (Luxembourgish) Luxembourg, Grand Duchy of Luxembourg | country code |
| PL-LU | Lubelskie, Województwo Lubelskie (Polish) Lublin | country code |
| CH-LU | Luzern, Kanton Luzern (German) Lucerne, Canton of Lucerne | country code |
| LU | Ludwigshafen (Rhein) Hbf, Stadt Ludwigshafen (German) | fare point / vehicle registration plate |
| Lu | Lund C (Swedish) | station code |
| Lu | Ludwigshafen (1907–1936) (German) | railway administration |