IBR

IBR may refer to:

Science and technology

 * Image-based modeling and rendering
 * Internet background radiation
 * Integrally bladed rotor, a turbomachinery component
 * Infectious bovine rhinotracheitis, a herpes-type viral disease of cattle
 * Iodine bromide (IBr)
 * Inverter-based resource (IBR), a generator connected to the electrical grid through a power converter

Organisations

 * Institute of Boiler and Radiator Manufacturers
 * Institute of Biomedical Research, at the University of Birmingham, UK

Other uses

 * Income-based repayment, a method of student loan repayment in the US


 * International Bibliography of Book Reviews of Scholarly Literature and Social Sciences
 * Inverted Box Rib, a type of metal roof
 * Ivey Business Review, an undergraduate business publication of Ivey Business School
 * Ibaraki Airport (IATA airport code)
 * Internet's Best Reactions by WTF1
 * Incorporation by reference, the act of including a second document within another document by only mentioning the second document