SIU

SIU may refer to:

* Seafarers International Union of North America, an organization of labor unions * Segment of Independent Utility, a highway engineering term for divisions of large-scale construction projects; see * Shinawatra University, in Bangkok, Thailand * ''S.I.U.'' (film), a 2011 South Korean action film * ''SIU'', an 2019 Vocaloid album * Siuna Airport in Nicaragua (IATA Code) * Slave In Utero, the pen-name of Lee Jong-hui, author of the South Korean webcomic ''Tower of God'' * Southern Illinois University, a university system in the United States ** Southern Illinois University Carbondale, the system's flagship university * Special Investigations Unit (Ontario), a police oversight agency in Ontario, Canada * Special Investigating Unit, South African law enforcement agency * Symbiosis International University, a private university in India

Siu may refer to:

* Shao, a Chinese surname, sometimes transliterated as Siu * Siu, a god-hero of Torres Strait Islander people * Xiao (surname), a Chinese surname, sometimes transliterated as Siu

Siu may refer to in sport: *Siu (celebration) a celebration which has became increasing popular and was made by Cristiano Ronaldo Provided by Wikipedia