ZGS

ZGS may refer to:


 * Zero Gradient Synchrotron – particle accelerator at Argonne National Laboratory, in operation 1964-79
 * Zimbabwe Geological Survey
 * ZGS Communications, a United States broadcasting company
 * Chinese Sign Language, from name in Mandarin, Zhōngguó Shǒuyǔ.
 * La Romaine Airport, with IATA code ZGS