JB or J.B. may refer to:
Im Jae-bum (Hangul: 임재범; Japanese: イム·ジェボム; Chinese: 林在範; born January 6, 1994) commonly known by his stage name JB (Hangul: 제이비), is a South Korean singer, songwriter, actor, and MC.
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.
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.
Jeffrey Brian "JB" Straubel (born December 20, 1975) is part of the founding team and the Chief Technical Officer of Tesla Inc., an electric car company based in Palo Alto, California.
JBIG2 is an image compression standard for bi-level images, developed by the Joint Bi-level Image Experts Group.
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.
"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.