| Acronym | Definition |
|---|
| TES | Thermal Emission Spectrometer |
| TES | Thermal Energy Storage |
| TES | Teaching Every Student |
| TES | Threatened and Endangered Species |
| TES | Transactions Electroniques Sécurisées (French: Secure Electronic Transactions) |
| TES | Tropospheric Emission Spectrometer |
| TES | Transition-Edge Sensor |
| TES | Technologies for E-Services (International Workshop) |
| TES | The Employment Solution (staffing company; Canada) |
| TES | N-Tris(Hydroxymethyl)methyl-2-Amino-Ethanesulfonic Acid |
| TES | The Eulenspiegel Society (New York, NY) |
| TES | Tactical Engagement Simulation |
| TES | Tactical Exploitation System (Army) |
| TES | Technology-Enabled Selling |
| TES | Therapeutic Electrical Stimulation |
| TES | Transcutaneous Electrical Stimulation |
| TES | Tactical Engagement System (Army) |
| TES | Transportable Earth Station |
| TES | Tubular Exhaust System (Edelbrock) |
| TES | Traveller Education Services (UK) |
| TES | Total Entertainment System |
| TES | Telephony Earth Station |
| TES | Tactical Event System |
| TES | Technical Enforcement Support |
| TES | Transfer Evaluation System (for US colleges) |
| TES | Theater Event System |
| TES | Test & Evaluation Squadron |
| TES | Tableau d'Entrées-Sorties (French: Input-Output Table; accounting tool) |
| TES | Time Entry System |
| TES | Tactical Electronic Sniper (paintball) |
| TES | Total Elastic Suspension |
| TES | Tactical Electronic Surveillance |
| TES | Thermoplastic Styrenic Elastomer |
| TES | Tactical Engineering Support |
| TES | Telecommunication Equipment Safety |
| TES | Toxicologie, Environnement, Santé (French: Toxicology, Environment, Health) |
| TES | Telephone Emergency Services (support hotlines) |
| TES | TE Systems, Inc. |
| TES | Token Exchange System |
| TES | Timonium Elementary School (Timonium, MD) |
| TES | Test Execution Software |
| TES | Technical Enforcement Services |
| TES | Time-End-Silence |
| TES | Terminal Earth Station |
| TES | Test & Evaluation Strategy |
| TES | Trans European Banking Services |
| TES | Tool Envy Syndrome (fictional condition) |
| TES | Thumb Educational Services (Michigan) |
| TES | Training Evaluation Summary |
| TES | Technology Development and continuing through System Development and Demonstration into Production and Deployment (an early T&E planning document) |
| TES | Tugboat Enthusiasts Society of the Americas (Ipswich, MA) |
| TES | Tertiary Eocene Strata (geology) |
| TES | Transient Electromagnetic Scattering |
| TES | Tradewinds Engine Services, LLC |
| TES | Tactical EMIO (Expanded Maritime Interception Operations) System |
| TES | Thermal Energy System (Restoration Drying Technology) |
| TES | The Exchange Student |
| TES | The Event Source (various locations) |
| TES | Tanzania Environmental Society (Tanzania) |
| TES | Tailor Engineering Services (Jacksonville, FL) |
| TES | Test for Espionage and Sabotage (polygraph testing) |
| TES | Tidal Enterprise Scheduler (software) |
| TES | The Eminem Show (album) |
| TES | The Elder Scrolls (series of computer games) |
| TES | Times Educational Supplement (publication) |