FBR

FBR may refer to:

Science, medicine, and technology

 * Fast breeder reactor
 * Fluidized bed reactor
 * Foreign body response
 * Full Bridge Rectifier

Other uses

 * Beveren railway station's station code
 * FBR Capital Markets, an American investment banking firm
 * Federal Board of Revenue, central revenue collection agency of Pakistan
 * Fortnite Battle Royale, a video game
 * Foundation for Biomedical Research, an American animal welfare organization
 * Free Burma Rangers, a Burmese humanitarian organization
 * Friedman Billings Ramsey, an American real estate investment trust
 * Fueled by Ramen, an American record label
 * FBR Ltd, formerly Fastbrick Robotics, an Australian construction robot development company