BSH may refer to:

• Bacillithiol, a thiol compound found in bacteria
• Bahrain Specialist Hospital, a hospital in Bahrain
• Bayley Seton Hospital on Staten Island, New York, US
• Belarusian Socialist Hramada, a political party
• Bishan MRT station, station abbreviation
• British Shorthair, a breed of cat
• British Society for Haematology
• BSh, Köppen climate classification for hot semi-arid climates
• BSH Bosch and Siemens Home Appliances
• Bushey railway station, station code
• Bushel, a unit of dry volume
• Federal Maritime and Hydrographic Agency of Germany (German: Bundesamt für Seeschifffahrt und Hydrographie)