Fri may refer to:
- Friday, abbreviation
- Fri, a yacht which led a protest voyage against nuclear tests
- Fri - En samling, a 2001 Kikki Danielsson album
- Fellow of the Royal Institution of Great Britain
- Gromov Flight Research Institute
- Forest Research Institute, an institute of the Indian Council of Forestry Research and Education in India located at Dehradun in Uttarakhand
- Fractionation Research Inc., an industry cooperative researching and testing distillation systems
- Frente Revolucionario de Izquierda
- Full Repairing and Insuring, a standard form of property lease.