HBS may refer to:
Education Harvard Business School, in Boston, Massachusetts, United States Henley Business School of the University of Reading Henrietta Barnett School, in London, England Hitchin Boys' School, in Hertfordshire, England Hogere Burgerschool, a defunct Dutch secondary school type
Language , ISO 639-3 code for Serbo-Croatian
Music Her Bright Skies, a Swedish post-hardcore band Historic Brass Society, an international music organization
Other uses Hapoel Be'er Sheva F.C., an Israeli association football team Croatian Cycling Federation (Croatian: ) Haemoglobin S (HbS) HBS Craeyenhout, a sports organization, The Hague, Netherlands HBS Craeyenhout (football club), a Dutch association football team Heinrich Böll Foundation (German: ), a German political foundation Saline (medicine), HEPES-buffered Saline (HBS) Hexagonal bilayer silica Himanta Biswa Sarma, 15th Chief Minister of the Indian state of Assam Hoboken Shore Railroad, a defunct railway in New Jersey, US Honmon Butsuryū-shū, a Buddhist sect in Japan Hunan Broadcasting System, China Harebrained Schemes, a video game developer company. ISO 639-3 code for the Serbo-Croatian language