English abbreviations from stv to sub
- STV (Surat Airport)
- STW (Stavropol Shpakovskoye Airport)
- STWC (Stop the War Coalition (UK))
- STX (Henry E. Rohlsen Airport)
- STXC (Cross Country Short Track)
- STY (Nueva Hespérides International Airport)
- SU (Soviet Union (ISO 3166 digram; obsolete 1992))
- SÜ (Selçuk Üniversitesi)
- su — (s) Sundanese language (ISO 639 (1 code))
- SUA (Special use airspace)
- SUAVE (Students United Around Volunteering Entertaining)
- SUB (SUBstitute)
- Sub. (Substitute)
