KBR, Inc. (formerly Kellogg Brown & Root) is an American engineering, procurement, and construction company, formerly a subsidiary of Halliburton. The company also has large offices in Arlington, Virginia, Birmingham, Alabama, and Newark, Delaware, in the United States and Leatherhead in the UK. After Halliburton acquired Dresser Industries in 1998, Dresser's engineering subsidiary, The M. W. Kellogg Co., was merged with Halliburton's construction subsidiary, Brown & Root, to form Kellogg Brown & Root. KBR and its predecessors have received many contracts with the U.S. military including during World War II, the Vietnam War, and the Iraq War.
The company's corporate offices are in the KBR Tower in Downtown Houston.
KBR can stand for:
- KBR (company), formerly Kellogg, Brown and Root, an American engineering, construction and private military contracting company
- Kafa language, an Afroasiatic language spoken in Ethiopia
- Key-based routing, a technique used in computer networking
- Potassium bromide (KBr), a salt widely used as an anticonvulsant and a sedative
- Royal Library of Belgium (Dutch: )
- Sultan Ismail Petra Airport, airport serving Kota Bharu with IATA code KBR