HSG may refer to:

• High School for the Gifted, Ho Chi Minh City, Vietnam
• University of St. Gallen, Switzerland

• Hawker Siddeley Group, a British aircraft manufacturer
• Hesnes Air, a Norwegian airline
• Saga Airport, Japan

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

• Handling stolen goods
• High Sierra Group, CD-ROM standards body
• Hysterosalpingography, X-ray of the uterus and fallopian tubes

This disambiguation page lists articles associated with the title HSG.
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