OGX

OGX or .ogx may refer to:
 * Dommo Energia, formerly OGX, a Brazilian oil and natural gas company that is controlled by the conglomerate EBX Group
 * .ogx, an audio/video file format, see Ogg
 * OGX-011, or custirsen sodium, an anti-cancer drug
 * Ain Beida Airport, in Ouargla, Algeria, by IATA code
 * Ogden Express, a bus rapid transit line in Ogden, Utah