LDE (disambiguation)

LDE may refer to:
 * Long delayed echo, radio echoes which return to the sender several seconds after a radio transmission has occurred
 * Lodhikheda railway station, the station code LDE
 * Tarbes–Lourdes–Pyrénées Airport, the IATA code LDE
 * LADE, the ICAO code LDE
 * Leipzig-Dresdner Eisenbahn-Compagnie, a company that opened Riesa station
 * LDE(x), the LiteStep distribution
 * Liberali Democratici Europei, a liberal political party in Italy