LGX

LGX may refer to:


 * Yggdrasil Linux/GNU/X (LGX), a discontinued early Linux distro that was available as a Live CD
 * GM LGX, a GM High Feature engine
 * Luxembourg Green Exchange (LGX), on the Luxembourg Stock Exchange
 * Lugh Ganane Airport (IATA airport code ), Luuq, Somalia
 * Langxi County (region code ), Anhui, China; see List of administrative divisions of Anhui