JB or J.B. may refer to:
JBJ (Hangul: 제이비제이) was a South Korean project boy group consisting of six members who previously participated in Mnet's 2017 survival show Produce 101 Season 2. The group was managed by Fave Entertainment, while CJ E&M oversaw the group's release production.
Lim Jae-beom (Hangul: 임재범; born January 6, 1994) commonly known by his stage name JB (Hangul: 제이비), is a South Korean singer, songwriter, record producer, dancer and actor who is the leader of South Korean boy band Got7 and part of the duo JJ Project.
JB Carlson (born February 1974) is an American founder, businessman, social entrepreneur, CEO, and Executive Director.
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 Properties is a publicly traded real estate investment trust based in Chevy Chase, Maryland.
JBL is an American company that manufactures loudspeakers. There are two independent divisions within the company – JBL Consumer and JBL Professional.
JBS USA Holdings, Inc. is an American food processing company and a wholly owned subsidiary of JBS S.A.
Jean-Benoît Blanc () is a French-British actor, voice actor and director who has worked on a number of cartoons, anime, and video games produced in the Los Angeles area.
JB Hi-Fi is an Australian retailer of consumer goods, specialising in video games, Ultra HD Blu-rays, Blu-rays, DVDs, CDs, electronics/hardware, electrical home appliances, mobile phones and a number of Telstra services.