Sou
Sou or SOU may refer to:

People
Sou (surname), a Cantonese romanization of the Chinese surname Su
Sō, a Japanese surname and given name

Culture
Sou (French coin), various French coins, later called sous.
Penny (Canadian coin), colloquially called a sou in Quebec
Sou (album), studio album by Marcelo Camelo
Sou (film), a film by Theodore Ushev for Shorts in Motion: The Art of Seduction
Sou (pastry), a type of food pastry
Southern Thai language, ISO 639-3 language code

SOU
Special Operations Unit (disambiguation)
Southampton Airport, England (IATA code SOU)
Southampton Central railway station, England (National Rail code SOU)
Southern Oregon University, United States
Southern Railway (U.S.) (railroad reporting mark SOU)
Statens offentliga utredningar, an official series of reports of committees appointed by the Swedish Government
Sound of Urchin, American eclectic alternative rock band