| I&D | Incision & Drainage  
| Medical |
| I'd | I Should
| Communication, Language |
| I'd | I would
| Communication, Language |
| I/D | Intradermal
| Medical |
| ID | Disk IDentification file
| Others |
| ID | During the Day
| Others |
| ID | I Dare
| Others |
| ID | I Deserve
| Others |
| ID | I Do
| Others |
| ID | Idaho
| State |
| ID | Idem
| Others |
| ID | IDentification
| Others |
| ID | Identification Data
| Others |
| ID | Identification Division
| Others |
| ID | Identification Document
| Others |
| ID | Identifier
| Others |
| ID | Identifying Document
| Others |
| id | IDentity
| Others |
| ID | Identity Document
| Others |
| ID | Idle Format
| Others |
| ID | Ill Defined
| Others |
| ID | Image Dynamics
| Others |
| ID | Imagine Dragons
| Others |
| ID | Immediate Dominance
| Others |
| ID | ImmunoDeficiency
| Others |
| ID | In Development
| Others |
| ID | Increased Deployability (Posture)
| Others |
| ID | Incredible Deal
| Others |
| ID | Incubus Dreams
| Others |
| ID | Independence Day
| Others |
| ID | Independent Democrats
| Others |
| ID | Individual Design
| Others |
| ID | Individual Development
| Others |
| id | Indonesia (TLD)
| Others |
| ID | Induced Draught
| Others |
| ID | Industrial Design
| Others |
| ID | Industrial Distribution
| Others |
| ID | Industry Discount
| Others |
| ID | Ineffective Dose
| Others |
| ID | Infanterie-Division (Infantry Division)
| Others |
| ID | Infantry Division
| Others |
| ID | Infectious Disease
| Others |
| ID | Infectious Disease(s)
| Others |
| ID | Information and Decision
| Others |
| ID | Information Database
| Others |
| ID | Information Design
| Others |
| ID | Information Destination
| Others |
| ID | Information Division
| Others |
| ID | Information Domain
| Others |
| ID | Inhibitor of Differentiation
| Others |
| ID | Initiating Directive
| Others |
| ID | Insertion Device
| Others |
| ID | Inside Diameter
| Others |
| ID | Inside Dimension
| Others |
| ID | Inside Dimensions
| Others |
| ID | Instructional Design
| Others |
| ID | Instructor Development
| Others |
| ID | Integrate and Differentiate
| Others |
| ID | Intellectual Disability
| Others |
| ID | Intellectually Deficient
| Others |
| ID | Intelligent Design
| Others |
| ID | Intelligent Designer
| Others |
| ID | Intelligent Device
| Others |
| ID | Intelligent Display
| Others |
| ID | Intensity Diminution
| Others |
| ID | Interaction Design
| Others |
| ID | Interaction Designer
| Others |
| ID | Interactive Design
| Others |
| ID | Interbank Deposit
| Others |
| ID | Interesting Device
| Others |
| ID | Interface Document
| Others |
| ID | Interior Department
| Others |
| ID | Interior Design
| Others |
| ID | Internal Diameter
| Others |
| ID | Internal Directory
| Others |
| ID | International Director
| Others |
| ID | Internet Developer
| Others |
| ID | Intersection Dimension
| Others |
| ID | Intestinal Diet
| Others |
| ID | Into the Darkness
| Others |
| ID | Intra-Dermal
| Others |
| ID | Intrusion Detection
| Others |
| ID | Iterative Dichotomizer
| Others |