English abbreviations from ctss to cu
- CTSS(Compatible Time-Sharing System)
- CTS-WAN(Conformance Testing Services for WAN)
- CTT(Challenger training tank)
- CTT/H-R(Commander's Tactical Terminal (Hybrid) Receive Only)
- CTTF(Central Test and Training Facility)
- CTT-H(Commander's Tactical Terminal (Hybrid))
- CTTI(Center for Technology Transfer and Integration)
- CTTP(California Tribal TANF Partnership)
- CTTS((celestial object) Classical T-Tauri Star)
- CTU(Counter Terrorist Unit (fictional branch of the Central Intelligence Agency in the television action series 24))
- CTV(Canadian Television Network)
- CTVC(Churches Television Centre)
- CTVN(Cornerstone TeleVision Network)
- CTVT(Canine Transmissible Venereal Tumour)
- CTVU(Central TV Unit)
- CTW(Cottonwood Airport (FAA: P52))
- CTWG(Communications Transition Working Group)
- CTX(Cortland County Airport (Chase Field, FAA: N03))
- CTY(Cross City Airport)
- CTZ(Sampson County Airport)
- cu(Old Church Slavonic language (ISO 639-1 code))
