SIU
Appearance
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 Interstate 69 § Route description
- Shinawatra University, in Bangkok, Thailand
- S.I.U. (film), a 2011 South Korean action film
- 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, US
- Special Investigations Unit (Ontario), a police oversight agency in Ontario, Canada
- Special Investigating Unit, South African law enforcement agency
- Symbiosis International 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