RWI
RWI stands for:
- Legal Institute, see Library of the Legal Institute of the University of Zurich
- Rheinisch-Westfälisches Institut für Wirtschaftsforschung, non-university research institute, see RWI - Leibniz Institute for Economic Research
- Rheinisch-Westfälische Real Estate Investment Company (1966–1997)
- Wiesental train station (DS100 code)
