IWR
IWR is an abbreviation for:
- Intelligent Word Recognition , a side branch of the OCR technology for text recognition
- Institute for Business Law , see University of Kassel # Institutions and Institutes (selection)
- Interdisciplinary center for scientific computing , a research institute of the Ruprecht-Karls-Universität Heidelberg
- International Economic Forum for Renewable Energies , an institute for the regenerative energy industry
- international competition rules in athletics, see Athletics # competition rules