English abbreviations from top to tor
- TOP(Total Obscuring Power)
- TOPAS(Transporter Obrneny Pasovy)
- TOPGUN(United States Navy Fighter Weapons School)
- TOPINT(Technical Operational Intelligence)
- TOPMIS(Total Officer Personnel Management Information System)
- TOPPSS(Transportation Operational Personal Property Standard System)
- TOPS((meeting) Toward Other Planetary Systems, a series of educational astronomy workshops)
- TOPSA(Taxonomy of formally-defined Orthogonal Properties of Software Architectures)
- TOPSS(The Officer Projection Specialty System)
- TOQ(The Occidental Quarterly)
- TOR(Tema Oil Refinery)
