LDE may refer to: Transport LADE, Argentine airline (ICAO:LDE) Leipzig-Dresdner Eisenbahn-Compagnie, German rail company Lodhikheda railway station, India (IR code:LDE) Tarbes–Lourdes–Pyrénées Airport, France (IATA:LDE)
Other uses Liberali Democratici Europei, an Italian political party Long delayed echo, in two-way radio LDE(x), in computing Linear differential equation, in mathematics