| Acronym | Definition |
|---|
| IOD | Institute of Directors |
| IOD | Information on Demand |
| IOD | International One Design (sailing) |
| IOD | Infrastructure on Demand (various organizations) |
| IOD | Input Output Descriptor |
| IOD | in Order Delivery |
| IOD | Install on Demand |
| IOD | Input Output Device |
| IOD | Intimation of Disapproval (real estate permit; India) |
| IOD | In-Order Delivery (computing) |
| IOD | Institute on Disability (University of New Hampshire) |
| IOD | Indian Ocean Dipole (climate mode) |
| IOD | Integrative Oceanography Division (La Jolla, CA) |
| IOD | Information Object Definition |
| IOD | International Organizations Division (US CIA) |
| IOD | Injured on Duty |
| IOD | Integrated Optical Density |
| IOD | Investigative Operations Division (US DOJ) |
| IOD | Issue Of Data |
| IOD | Iron Overload Diseases |
| IOD | Identified Outward Dialing |
| IOD | Install on Demand (Microsoft) |
| IOD | Input/Output Device |
| IOD | Ignition Off-Draw (automotive) |
| IOD | Image Online Design, Inc. |
| IOD | Index of Deprivation |
| IOD | Image on Demand |
| IOD | Irrevocable Offer of Dedication |
| IOD | Isle of Dawn (gaming) |
| IOD | Institute of Dubbology (music booking agency; Italy) |
| IOD | Index of Distribution |
| IOD | Intelligent Output Driver (Adiabatic Logic Ltd) |
| IOD | Isle of Dread (gaming) |
| IOD | Images of Disability (UK) |
| IOD | International Operations Division |
| IOD | Insurance on Demand |
| IOD | Institute of Diving |
| IOD | Innovate or Die (business competition) |
| IOD | Information of Delivery |
| IOD | Interest on Deposit |
| IOD | Integrated Observation Device |
| IOD | Insurance Operations Department (PBGC) |
| IOD | Initialing Outfitting Directive |
| IOD | International Order of DeMolay |
| IOD | Intercompany Operations Director |
| IOD | Installation of Officers Dinner |
| IOD | Institute of Organizational Development (Florida) |
| IOD | Interactive Organizational Directory |
| IOD | Illustrated Oxford Dictionary |