HSG

HSG may refer to:

Medicine

 * Hysterosalpingography, X-ray of the uterus and fallopian tubes

Air

 * Hawker Siddeley Group, a former British aircraft manufacturer
 * Hesnes Air, a Norwegian airline
 * Saga Airport, in Japan

Railway

 * BNR class HSG, a class of locomotives
 * High-speed grinding, a method of maintaining railway track
 * Hira Singh railway station, in Pakistan
 * Hathersage railway station, England

Other

 * Handling stolen goods
 * Haringey Solidarity Group
 * High School for the Gifted, in Ho Chi Minh City, Vietnam
 * High Sierra Group, creators of the High Sierra Format CD-ROM filesystem
 * University of St. Gallen, in Switzerland