SIU
SIU is an abbreviation for:
- the Seafarers International Union of North America
- the Schiller International University
- the Southern Illinois University
- Swiss Institute for Entrepreneur Training
- Shake It Up - Dancing is Everything , a Disney series
Siu is the name of the following people:
- Siu Ching Man (* 1978), badminton player from Hong Kong
- Yum-Tong Siu (* 1943), Chinese mathematician
