| Acronym | Definition |
|---|
| IBT | Internet-Based Test (various organizations) |
| IBT | International Brotherhood of Teamsters |
| IBT | Institute of Biotechnology |
| IBT | Institute for Bible Translation (Stockholm, Sweden) |
| IBT | I'll Be There |
| IBT | Internet-Based Training |
| IBT | International Biotechnology Trust (investments; UK) |
| IBT | Institute of Biosciences and Technology (Texas A&M University) |
| IBT | International Ballet Theatre (Kirkland, WA) |
| IBT | Income Before Taxes |
| IBT | Interbasin transfer |
| IBT | Institute of Business and Technology |
| IBT | Intermediate Belt Transfer (Xerox) |
| IBT | International Basketball Tournament |
| IBT | Inter-Branch Transfer |
| IBT | Island Biogeography Theory |
| IBT | Imagine Ballet Theatre (Ogden, UT) |
| IBT | Investors Bank and Trust |
| IBT | Integrated Building Technology |
| IBT | Indianapolis Baptist Temple |
| IBT | Instructor Based Training |
| IBT | Indirect Business Tax (economics) |
| IBT | Intersystem Bonding Termination (National Electrical Code requirement) |
| IBT | Illinois Business Tax (number) |
| IBT | IntelliLight Broadband Transport (Verizon Communications Inc.) |
| IBT | Internal Body Temperature |
| IBT | Immune-based therapy |
| IBT | Inbound Transportation |
| IBT | Illinois Bureau of Tourism (Chicago, IL) |
| IBT | Imasen Bucyrus Technology (Bucyrus, OH) |
| IBT | Industrial Biotest Laboratory |
| IBT | Indirect Branch Table |
| IBT | Inclined Bed Therapy |
| IBT | In-Band Terminator |
| IBT | Immunization Back-Up Technician (US Air Force) |
| IBT | Information Bearing Thing |
| IBT | Intra Battalion Transfer |