SH

Businesses and organizations

• FlyMe (IATA airline designator), a former low-cost airline
• Sonatrach, a State Oil Company of Algeria
• Sacred Heart Cathedral Preparatory, a Catholic school in the U.S. city of San Francisco, California

Geography

• Saint Helena Island ISO 3166 digram and FIPS PUB 10-4 territory code
• Canton of Schaffhausen, Switzerland
• Schleswig-Holstein, Germany
• Shanghai, China
• Shortstown, England
• State highway

Language

• sh (digraph), a letter combination used in the spelling of some languages
  • Voiceless postalveolar fricative [ ʃ ], the sound usually spelt sh in English
• sh (letter), the 27th letter of the Albanian alphabet
• sh, deprecated ISO 639-1 code for the Serbo-Croatian language

Science, technology, and mathematics

Computing

• .sh, the country code top-level domain (ccTLD) of Saint Helena
• Lib Sh, a Graphics Metaprogramming library for C++
• 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

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
• Solar Hejri, the modern Iranian calendar