FSU may refer to:
- Florida State University, a large public research university in Tallahassee, Florida
- Ferris State University, Michigan
- Frostburg State University, Maryland
- Fayetteville State University, North Carolina
- Fairmont State University, West Virginia
- Fitchburg State University, Massachusetts
- Framingham State University, Massachusetts
- Free Speech Union, British organisation
- Friends Stand United, street gang
- Finance Sector Union, Australian trade union
- Financial Services Union, Irish trade union
- Fédération Syndicale Unitaire, French trade union
- Former Soviet Union, collective term for the fifteen countries that formed the Soviet Union until 1991
- Fuse-Switch-Unit, opposite of SFU, relating to the order an electrical fuse is inserted in a circuit
See alsoEdit
- California State University, Fresno, also known as Fresno State University
- University of Jena, also known as Friedrich Schiller University, Thuringia, Germany