| TCS | Thermal Control System | - | Atmospheric Research Center |
| TCS | Target Current Spectroscopy | - | Computer Acronyms(common) |
| TCS | Total Current Spectroscopy | - | Computer Acronyms(common) |
| TCS | Toxic Confusional State - Confused, Usually Elderly, Person Whose Problem Is Due To Constipation (toxic Build Up In Body) | - | NASA |
| TCS | Technical Change Summary | - | Organizations |
| TCS | Technical Concurrence Sheets | - | Organizations |
| TCS | Test Control Supervisor | - | Organizations |
| TCS | Test Control System | - | Organizations |
| TCS | Thermal Control System (Subsystem) | - | Organizations |
| TCS | Thermal Control System | - | Business and Finance |
