| IBBC | Indian Baltic Business Chamber 
| Others |
| IBBC | Indian Bulgarian Business Chamber
| Others |
| IBBC | Institutional Biosafety and Biosecurity Committee
| Others |
| IBBC | Interdental Brush Buyers Club
| Others |
| IBBC | International Baltic Ballet Competition
| Others |
| IBBC | International Bank of Business and Credit
| Others |
| IBBC | International Bible Baptist Church
| Others |
| IBBC | International Big Band Competition
| Others |
| IBBC | International Bioenergy and Bioproducts Conference
| Others |
| IBBC | International Bioenergy Bioproducts Conference
| Others |
| IBBC | International Borneo Business Conference
| Others |
| IBBC | Iraq Britain Business Council
| Others |