JSB explained

JSB is an initialism which usually refers to the initials of Johann Sebastian Bach (1685–1750), German composer and musician of the Baroque period.

JSB may also refer to:

• Sandaime J Soul Brothers, a J-Pop dance and vocal unit from Tokyo and the third generation of the J Soul Brothers
• Japanese School of Beijing
• The Japanese School of Brussels
• The Jimmy Swift Band, Canadian Electro-Rock Quartet
• Júlio Sérgio Bertagnoli, Brazilian goalkeeper who plays for Roma
• John Seely Brown, a US researcher in organizations and computing
• John Stewart Bell, Irish physicist
• Julie Stewart-Binks, a Canadian television and sports reporter
• Judicial Studies Board, now the Judicial College