| Acronym | Definition |
|---|
| TIM | Timothy |
| TIM | Technical Interchange Meeting |
| TIM | Transient Intermodulation Distortion |
| TIM | Telecom Italia Mobile (Italian cellular provider) |
| TIM | The Incredible Machine |
| TIM | The Invisible Man (movie) |
| TIM | Time Is Money |
| TIM | Thermal Interface Material |
| TIM | Traffic Incident Management |
| TIM | Technicien(ne) de l'Information Médicale |
| TIM | Taman Ismail Marzuki (Indonesian musician) |
| TIM | Tivoli Identity Manager (IBM) |
| TIM | Triose-Phosphate Isomerase (biochemistry) |
| TIM | Time Meter |
| TIM | Tiako i Madagasikara (I Love Madagascar, political party) |
| TIM | Trace Identifier Mismatch |
| TIM | Transactions on Instrumentation and Measurement |
| TIM | Total Irradiance Monitor |
| TIM | Toxic Industrial Material |
| TIM | The Information Mine |
| TIM | Traffic Indication Map (WiFi 802.11) |
| TIM | Technion Institute of Management (Israel) |
| TIM | Travel Information Manual (IATA manual) |
| TIM | Tempe in Motion (Arizona) |
| TIM | Teens in Mission |
| TIM | Technical Infrastructure Monitoring (CERN) |
| TIM | Transformation of Installation Management (US Army) |
| TIM | Technical Information Memorandum |
| TIM | Territorio Indígena Multiétnico (Spanish: Multiethnic Indigenous Territory; Bolivia) |
| TIM | Transformation of Installation Management (fka Centralized Installation Management, CIM) |
| TIM | Topical Immunomodulator |
| TIM | Technical Information Manager |
| TIM | Tire Inflation Monitor (General Motors) |
| TIM | Technical Integration Manager |
| TIM | Translocase of Inner Membrane |
| TIM | Thermal Imaging Module |
| TIM | Total Improvement Management |
| TIM | Technical Interface Meeting |
| TIM | Training Implementation Matrix |
| TIM | Time Interval Meter |
| TIM | Titre d'Ingénieur Maître (French) |
| TIM | Tactical Internet Model |
| TIM | Theater Information Management |
| TIM | Technical Information Meeting |
| TIM | Transmitter Intermodulation |
| TIM | Transmission Interface Module |
| TIM | Terminal Input Message |
| TIM | Telephony Integration Manager (Intel) |
| TIM | Teams in Mission |
| TIM | Test Instrument Module |
| TIM | Theater Information Manager |
| TIM | Ten-Inch Instrument Manipulator |
| TIM | TCP/IP Inverse Multiplexing Protocol |
| TIM | Transaction Incident Management (IT security) |
| TIM | TEMENOS Implementation Methodology |
| TIM | Tie-In Manifold |
| TIM | Technically Impossible Maneuver |
| TIM | TEMPEST Information Message |
| TIM | Total Injury Management |
| TIM | Thermally Induced Martensite |
| TIM | Trunk Interface Multiplexer |
| TIM | Time Integrity Module |
| TIM | TNM Integration Module (Sprint) |
| TIM | Test Injector Machine |
| TIM | Token/Net Interface Module |
| TIM | Transmitter Intermediation |
| TIM | Transverse Isolation Module |
| TIM | Tapestry Information Manager (Tapestry Solutions, Inc) |
| TIM | Technology in Motion (various organizations) |
| TIM | Total International Migration (Office for National Statistics; UK) |
| TIM | Temporary International Mechanism |
| TIM | Total Integrated Maintenance (various companies) |
| TIM | Thornburg Investment Management (est. 1982; Santa Fe, NM) |
| TIM | The Interactive Museum |