JB or J.B. may refer to:
Lim Jae-beom (Hangul: 임재범; born January 6, 1994) commonly known by his stage name JB (Hangul: 제이비), is a South Korean singer, songwriter and actor.
JBS S.A. is a Brazilian company that is the largest (by sales) meat processing company in the world, producing factory processed beef, chicken and pork, and also selling by-products from the processing of these meats.
JBG Smith is a publicly traded real estate investment trust based in Chevy Chase, Maryland.
JB Carlson (born February 1974) is an American founder, businessman, social entrepreneur, CEO, and Executive Director.
JBS USA Holdings, Inc. is an American food processing company and a wholly owned subsidiary of JBS S.A.
JBL is an American audio electronics company founded in 1946 by James Bullough Lansing, after whom the company was named.
The JBoss Enterprise Application Platform (or JBoss EAP) is a subscription-based/open-source Java EE-based application server runtime platform used for building, deploying, and hosting highly-transactional Java applications and services.
"The J'ba Fofi (Baka: "giant spider"), also known as the Congolese Giant Spider is a cryptozoological creature that is said to exist in the Congo, possibly representing a new species of arachnid.
JBIG2 is an image compression standard for bi-level images, developed by the Joint Bi-level Image Experts Group.