- DTCS stands for Dye Terminator Cycle Sequencing
- DTCS stands for Distributed Tactical Communications System (US Marine Corps and Iridium Government Services)
- DTCS stands for Direction Technique du Contrôle du Spectre (French: Technical Direction Control Spectrum)
- DTCS stands for Dual Track Clamp System (product)
- DTCS stands for Dimension Technology Chemical Systems (Fair Oaks, CA)
- DTCS stands for Design Technology Consulting Services (Dallas, Texas)
- DTCS stands for Senior Chief Dental Technician (Naval Rating)
- DTCS stands for Distributed Table Construction Scheme
DTCS