| IAAER |
International Association for Accounting Education Research |
| IAASB |
International Auditing and Assurance Standards Board |
| IAB |
International Association of Bookkeepers |
| IAFA |
Irish Accounting and Finance Association |
| IAFEI |
International Association of Financial Executives Institutes |
| IAPS |
International Auditing Practice Statement |
| IAS |
International Accounting Standard |
| IASB |
International Accounting Standards Board |
| IASC |
International Accounting Standards Committee Foundation |
| IC |
Intellectual capital |
| ICAA |
Institute of Chartered Accountants in Australia |
| ICAC |
Instituto de Contabilidad y Auditoria de Cuentas (Spain) |
| ICAEW |
Institute of Chartered Accountants in England and Wales |
| ICAI |
Institute of Chartered Accountants in Ireland |
| ICAI |
Institute of Chartered Accountants of India |
| ICAP |
Institute of Chartered Accountants of Pakistan |
| ICAS |
Institute of Chartered Accountants of Scotland |
| ICF |
Investing cash flow |
| ICMAP |
Institute of Cost and Management Accountants of Pakistan |
| ICSA |
Institute of Chartered Secretaries and Administrators |
| ICT |
Information and communications technology |
| ICWAI |
Institute of Cost and Works Accountantsof India |
| IFA |
Institute of Financial Accountants |
| IFEC |
Institut Francais des Experts Comptables (France) |
| IFAC |
International Federation of Accountants |
| IFAD |
International Forum on Accountancy Development |
| IFP |
Institute of Financial Planning |
| IFRIC |
International Financial Reporting Interpretations Committee |
| IFRS |
International Financial Reporting Standard |
| IFS |
Institute of Fiscal Studies |
| IFS |
Institute of Financial Services |
| IGAF |
International Group of Accounting Firms |
| IIA |
Institute of Internal Auditors |
| IMA |
Institute of Management Accountants (USA) |
| IMAPS |
International Management Accounting Practice Statement |
| IMC |
Institute of Management Consultancy |
| INTOSAI |
International Organization of Supreme Audit Institutions |
| IOD |
Institute of Directors |
| IOSCO |
International Organization of Securities Commissions |
| IPA |
Insolvency Practitioners Association |
| IPC |
Insolvency Practices Council |
| IPSAS |
International Public Sector Accounting Standard |
| IRR |
Internal rate of return |
| ISA |
International Standard on Auditing |
| ISAR |
International Symposium on Audit Research |
| ISS |
Intelligent support systems |