BBM or Bbm may refer to:
- BlackBerry Messenger, a proprietary Instant Messenger application included on BlackBerry devices
- Break-before-make, a type of contact arrangement of an electrical switch
- BBM Canada, an audience measurement organization for Canadian television and radio broadcasting
- Bruce-Baker-Moore, a short-lived rock band consisting of bassist Jack Bruce, drummer Ginger Baker and guitarist Gary Moore
- Bachelor of Business Management
- WBBM-TV, a television station (channel 2 analog/12 digital) licensed to Chicago, Illinois, United States
- WBBM (AM), a radio station (780 AM) licensed to Chicago, Illinois, United States
- WBBM-FM, a radio station (96.3 FM) licensed to Chicago, Illinois, United States
- Bintang Bakti Masyarakat, the Public Service Star awarded by the Singapore government to a person for public service
- Boys' Brigade in Malaysia, the Malaysia Branch of the Boys' Brigade
- B-flat minor, abbreviated as B♭m or Bbm