| IABO | International Association for Biological Oceanography | 国际生物海洋学协会 |
| IABO | International Association of Biological Oceanography | 国际生物海洋学协会 |
| IABO | International Association Of Basketball Officials | 国际篮球官员协会 |
| IABO | Indiana Association Of Building Officials | 印第安纳州建筑官员协会 |
| IABO | Intercollegiate Athletics Business Office | 校际体育业务办公室 |