SDH

SDH may refer to:

• Synchronous Digital Hierarchy, in telecommunications
• Secure Digital Host Controller, in computing
• Saradhna, a railway station in India
• The Shubnikov-De Haas effect, also see Fermi surface
• Sister Double Happiness, American blues-rock band fronted by The Dicks' singer Gary Floyd
• Social Democrats of Croatia
• Society for Digital Humanities
• Subdural hematoma (also known as a subdural hemorrhage) a type of bleeding in the brain or spinal column.
• Succinate dehydrogenase
• Subtitles for the Deaf and Hard of hearing, see Subtitle (captioning)
• Social determinants of health
• Sita Devi Hospital, a general hospital in Jaipur, India
• Sydney Dental Hospital