| ISD | Ian Stuart Donaldson 
| Others |
| ISD | Icon Sports Division
| Others |
| ISD | Idle Shut Down Time
| Others |
| ISD | Image Safe Data
| Others |
| ISD | Image Section Descriptor
| Others |
| ISD | Imperial Star Destroyer
| Others |
| ISD | Improved Standard Driver
| Others |
| ISD | In School Detention
| Others |
| ISD | In Some Direction
| Others |
| ISD | In-Station Diagnostics
| Others |
| ISD | Income Support Division
| Others |
| ISD | Increasing, Steady, or Decreasing
| Others |
| ISD | Independence School District
| Others |
| ISD | Independent School District
| Others |
| ISD | Independent Sealing Distributors
| Others |
| ISD | Independent Sydney and Districts
| Others |
| ISD | Indiana School for the Deaf
| Others |
| ISD | Individual Soldier Detector
| Others |
| ISD | Industrial Support Detachment
| Others |
| ISD | Industry Space Days
| Others |
| ISD | Information Security Division
| Others |
| ISD | Information Service Division
| Others |
| ISD | Information Services Department
| Others |
| ISD | Information Services Division
| Others |
| ISD | Information Storage Device
| Others |
| ISD | Information Structure Design
| Others |
| ISD | Information Systems Department
| Others |
| ISD | Information Systems Development
| Others |
| ISD | Information Systems Division
| Others |
| ISD | Infrastructure service division
| Others |
| ISD | Infrastructure Services Division
| Others |
| ISD | Innovative Security Designs
| Others |
| ISD | Innovative Superior and Dependable
| Others |
| ISD | Input Service Distributor
| Others |
| ISD | Inrichting Stelselmatige Daders
| Others |
| ISD | Inspectional Services Department
| Others |
| ISD | Instructional Support Department
| Others |
| ISD | Instructional Systems Design
| Others |
| ISD | Instructional Systems Development
| Others |
| ISD | Instrumentation and Systems Development
| Others |
| ISD | Integrated Solutions Division
| Others |
| ISD | Integrated Sports Development
| Others |
| ISD | Integrated Surface Database
| Others |
| ISD | Integrated System Diagnostics
| Others |
| ISD | Integrative Systems and Design
| Others |
| ISD | Intel Security Driver
| Others |
| ISD | Intelligent Servo Drive
| Others |
| ISD | Intelligent Signal Display
| Others |
| ISD | Intelligent Systems and Drives
| Others |
| ISD | Inter Site Distance
| Others |
| ISD | Inter-operability Standardization Directorate
| Others |
| ISD | Interactive Services Detection
| Others |
| ISD | Interactive Source Debugger
| Others |
| ISD | Interface Specification Document
| Others |
| ISD | Interface State Density
| Others |
| ISD | Interim Simulation Display
| Others |
| ISD | interim superintendent Danny
| Others |
| ISD | Intermediate School District
| Others |
| ISD | Intermediate Sight Distance
| Others |
| ISD | Internal Security Department
| Others |
| ISD | Internal Security Division
| Others |
| ISD | Internal Storage Device
| Others |
| ISD | International Sales Division
| Others |
| ISD | International School at Dundee
| Others |
| ISD | International School of Dakar
| Others |
| ISD | International Sealing Distribution
| Others |
| ISD | International Standard Dialing
| Others |
| ISD | International Student Diplomacy
| Others |
| ISD | International Student Discount
| Others |
| ISD | International Subscriber Dailing
| Others |
| ISD | International Subscriber Dialing
| Others |
| ISD | International Subscriber Dialling
| Others |
| ISD | Internet Slang Dictionary
| Others |
| ISD | Intersection Sight Distance
| Others |
| ISD | Interstellar Services Department
| Others |
| ISD | Intrinsic Sphincter Deficiency
| Others |
| ISD | Intrinsically Static-Dissipative
| Others |
| ISD | Investment Services Directive
| Others |
| ISD | Iscuande, Colombia
| Others |
| ISD | Islamic Society of Delaware
| Others |
| ISD | Issaquah School District
| Others |
| ISD | Issuer Security Domain
| Others |
| ISD | Isuzu Sales Deutschland
| Others |
| ISD | Itial Strategy Distribution
| Others |
| ISD | RapidFile Spelling Checker dictionary
| Others |
| ISD | School District
| Others |