SHN

SHN may refer to:

School health and nutrition services, a range of health interventions for school-children
 IATA code for Sanderson Field in Shelton, Mason County, Washington
 A misconception of the IATA code for Shannon Airport, in Shannon, County Clare, Ireland.
 ISO 3166-1 alpha-3 code for Saint Helena, Ascension and Tristan da Cunha
 File format suffix for the Shorten application used for compressing audio data.
 ISO 639-3 code for the Shan language

 Organizations
 Stop Hunger Now, an international hunger relief organization
 SHN (theatres), is a theatrical production company in San Francisco
 Argentine Hydrographic Service (Servicio de Hidrografia Naval)