English abbreviations from sie to sigint
- SIE (Specialized Instructional Environments)
- SIEC (Suicide Information And Education Center)
- SIECUS (Sexuality Information and Education Council of the United States)
- SIETAR (Society for Intercultural Education, Training, And Research)
- SIF (Source Input Format)
- SIFA (Schools Interoperability Framework Association)
- SIFDA (South Indian Film Directors Association)
- SIFE (Students with Interrupted Formal Education)
- SIFEs (Students with Interrupted Formal Education)
- SIFR (Scalable Inman Flash Replacement)
- SIFS (Short InterFrame Space)
- SIFT (Scheduled Intentional Focused Time)
- SIG (Schweizerische Industrie Gesellschaft (German, "Swiss Industry Company"). See also SIG Sauer, a firearms manufacturer spun off from the aforementioned company in 2000.)
- Sig. (Sigillum ("Seal"))
- SIGACTS (significant activities)
- SIGADA (Special Interest Group for ADA)
- SIGC2 (Signal Command and Control)
- SIGCAT (Special Interest Group on CD-ROM Applications and Technology)
- SIGCAT — (a) Special Interest Group for CD (ROM Applications and Technology)
- SIGCEN (Signal Center)
- SIGCHI (Special Interest Group on Computer-Human Interaction)
- SIGCSE (Special Interest Group of Computer Science Education)
- SiGe (Silicon Germanium)
- SIGGRAPH (Special Interest Group on Graphics)
- SIGI (System Of Interactive Guidance And Information)
- SIGINT (Signals Intelligence)