CBSI

CBSI may refer to:


 * CBSI-FM, Sept-Îles, Quebec, Canada; a French-language radio station
 * CBS Interactive, a division of the American media corporation CBS.
 * ConAmor Broadcasting Systems, Inc. (CBSI), former name of DCG Radio-TV Network
 * Community Bank System, Inc. (CBSI), a U.S. national bank network
 * Catholic Boy Scouts of Ireland (CBSI), Irish scouting organization
 * Clan Buchanan Society International (CBSI) the international society for the Scottish Clan Buchanan
 * Cellular Business Systems Inc. (CBSI) billing company founded by Arlene Harris