LDX

LDX or ldx may refer to:


 * Levitated Dipole Experiment, nuclear fusion energy generation experiment
 * Lisdexamfetamine, stimulant prodrug
 * Saint-Laurent-du-Maroni Airport, Saint-Laurent-du-Maroni, French Guiana (IATA: )
 * Long distance xerography, an early form of facsimile transmission invented by the Xerox corporation