| Abbreviation | Definition |
|---|---|
| IAD | Interest Adjustment Date |
| IAD | Intrest Adjustment Date |
| IAE | In Any Event |
| IAESB | International Accounting Education Standard Board |
| IAESB | International Accounting Education Standards Board |
| IAFA | Irish Accounting and Finance Association |
| IAFA | Irish Accounting Finance Association |
| IAFEI | International Association of Financial Executives Institutes |
| IAFP | International Association for Financial Planning |
| IAG | International Auditing Guidelines |
| IAHA | International Association of Hospitality Accountants |
| IAHS | IMA Accounting Honor Society |
| IAI | Independent Accountants International |
| IAIA | Italian Association of International Accountants |
| IAO | In the Amount Of |
| IAPA | Idaho Association of Public Accountants |
| IAPA | International Association of Practising Accountants |
| IAPC | International Auditing Practices Committee |
| IAPG | Internal Auditors Peer Group |
| IAPP | Independent Auditing Practice Pronouncement (China) |