SH
SH may refer to:
Businesses and organizations
- FlyMe (IATA airline designator SH), a defunct airline
 - Sacred Heart Cathedral Preparatory, a school in San Francisco, California, USA
 - Sacred Heart University its initials
 - Sonatrach, an Algerian oil company
 
Geography
- Saint Helena Island ISO 3166 digram and FIPS PUB 10-4 territory code
 - Canton of Schaffhausen, Switzerland
 - Schleswig-Holstein, a state of Germany
 - Shanghai, China (Guobiao abbreviation SH)
 - Shortstown, England
 - South Horizons
 - State highway
 
Language
- sh (digraph), a letter combination used in some languages
- Voiceless postalveolar fricative [ ʃ ], the sound usually spelt sh in English
 
 - sh (letter), a letter of the Albanian alphabet
 sh, deprecated ISO 639-1 code for Serbo-Croatian
Science, technology, and mathematics
Computing
- .sh, the country code top-level domain (ccTLD) of Saint Helena
 - Lib Sh, a graphics metaprogramming library for C++
 - Unix shell, a general command-line shell for Unix
 - Bourne shell, a command-line shell for Unix
 - Thompson shell, a command-line shell for Unix
 - Sharp Corporation's mobile phones in Japan
 - SuperH, a Hitachi microcontroller
 - An interface type in the IP Multimedia Subsystem
 - Sensor hub
 sh, Store Half, an RISC-V instruction
Other uses in science, technology, and mathematics
- -SH, representing the thiol functional group in a chemical structure diagram
 - Hyperbolic sine (sh), a mathematical function
 - Siberian High, in meteorology
 - Sherwood number, in engineering
 - Suslin hypothesis, in mathematical set theory
 - Seismic Handler, a program that used in seismology
 
Other uses
- Sacrifice hit, in baseball scoring
 - Self-harm, when people hurt themselves voluntarily
 - Sheikh, an honorific title in the Arabic language
 - Silent Hill, video game franchise of survival horror
 - HS or SH Solar Hijri calendar, the modern Iranian calendar
 - An abbreviation for shilling
 
See also
- Sha (Cyrillic), the letter ш, transliterated into English script as "sh"