| Acronym | Definition |
|---|
| SOI➣Statistics Of Income (IRS) |
| SOI➣Silicon-On-Insulator |
| SOI➣Southern Oscillation Index (see ENSO) |
| SOI➣Statement of Interest (various organizations) |
| SOI➣Shadow of Infinity (trading card game) |
| SOI➣Statement of Intent |
| SOI➣Start of Injection (engines) |
| SOI➣Sphere of Influence |
| SOI➣Stage of Involvement (software development) |
| SOI➣School Of Infantry |
| SOI➣Source of Information |
| SOI➣Spin-Orbit Interaction (physics) |
| SOI➣Solicitation of Interest (various locations) |
| SOI➣Societa Oftalmologica Italiana (Italian: Italian Society of Ophthalmology) |
| SOI➣Shadow of Israphael (web series) |
| SOI➣Structure of Intellect |
| SOI➣System on Insulator |
| SOI➣Service Oriented Infrastructure |
| SOI➣Small Outline I-Leaded Package |
| SOI➣Silicon on Insulator |
| SOI➣School of Informatics (various locations) |
| SOI➣Survey Of India |
| SOI➣Service-Oriented Integration |
| SOI➣Saturn Orbit Insertion |
| SOI➣Special Olympics Inc. |
| SOI➣Secretary of the Interior |
| SOI➣Sons of Iraq (Sunni tribal group; Iraq) |
| SOI➣Sick of It |
| SOI➣Solar Oscillations Investigation |
| SOI➣Single Opt-In (subscription process) |
| SOI➣Survey of Israel |
| SOI➣Sit On It |
| SOI➣Start of Image |
| SOI➣Shell Offshore, Inc. (Shell Exploration and Production Company) |
| SOI➣Signal Of Interest |
| SOI➣Signal Operating Instructions |
| SOI➣Severity of Illness (medical charting) |
| SOI➣Symphony Orchestra Institute (various locations) |
| SOI➣Sound of Inevitability (gaming guild) |
| SOI➣Semiconductor on Insulator |
| SOI➣Società Orticola Italiana (Italian Horticultural Society) |
| SOI➣State of Insanity |
| SOI➣Strategic Outsoucing Incorporated (Charlotte, NC) |
| SOI➣Space Object Identification |
| SOI➣Summary of Information |
| SOI➣Sum of Infeasibilities |
| SOI➣Supplier-Owned Inventory |
| SOI➣Spreading Odontogenic Infection (dentistry) |
| SOI➣Surgical Orthotopic Implantation |
| SOI➣Standard of Identity (bottled water labeling) |
| SOI➣Syrian Olympiad in Informatics (competition) |
| SOI➣Shadows of Isildur (game) |
| SOI➣Scamp Owners International |
| SOI➣Sensor of Interest |
| SOI➣Service Order Input |
| SOI➣Signal Operation Instruction(s) |
| SOI➣Sea of Insanity (webcomic) |
| SOI➣Standard Operating Instruction(s) |
| SOI➣Shares on Issue |
| SOI➣Standing Operating Instructions |
| SOI➣Standard Operator Interface |
| SOI➣State Oceanographic Institute of Roshydromet (Russia) |
| SOI➣Source of Impact |
| SOI➣Share of Ink (public-relations) |
| SOI➣Seen or Implied |
| SOI➣Syllabus of Instruction |
| SOI➣Seeds of Insanity (gamers clan) |
| SOI➣Statement of Operating Intent (Canada) |
| SOI➣Slipped on Ice (medical; cause of an accident) |
| SOI➣Solar Oscillations Imagery |
| SOI➣System Operating Instruction (how to operate One System, Nuclear Power) |
| SOI➣Store Operating Income |
| SOI➣Student Outreach Intern |
| SOI➣Security Operations Instructions |
| SOI➣Scripted OS (Operating System) Install (Symantec) |
| SOI➣Sales Office Identification |
| SOI➣Selected Opportunistic Infectious |
| SOI➣Spinscan Ozone Imager |
| SOI➣Supply Operating Instruction |
| SOI➣Standards Organisation of Iran |
| SOI➣Sustainment Operating Instruction (US Air Force) |
| SOI➣Switchboard Operating Instruction |