SH

SH, Sh, sH or sh may refer to:

Businesses and organizations

 * FlyMe (IATA airline designator), a defunct airline
 * Sacred Heart Cathedral Preparatory, a school in San Francisco, California, USA
 * 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, the sound usually spelt sh in English
 * sh (letter), a letter of the Albanian alphabet
 * sh, deprecated ISO 639-1 code for the Serbo-Croatian language

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

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

Other uses

 * Sacrifice hit, in baseball scoring
 * Self-harm
 * 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
 * Sacred Heart University its initials