LG4

LG4 or variation, may refer to:


 * La Grande-4 generating station (LG-4), Quebec, Canada
 * Chevrolet LG4, a Chevrolet small-block engine
 * Laminin G domain 4 (LG4)
 * Lower Group 4, of the Bushveld Igneous Complex
 * Kalah metro station (station code ) on the Wanda–Zhonghe–Shulin line in Taipei, Taiwan
 * Bauskas District, Latvia; see List of FIPS region codes (J–L)