English abbreviations from sid to sift
- SID (Standard instrument departure)
- S.I.D. (Spiritus In Deo ("Spirit [rests] in God"))
- SIDA (Sensing, Interpreting, Deciding, and Acting)
- SIDAC (Single Integrated Damage Analysis Capability)
- SIDC ((organization) Sunspot Index Data Center)
- SIDE (Sensors In A Distributed Environment)
- SIDL (Standard Intelligence Documents List)
- SIDNK (Sir, I Do Not Know)
- SIDO (Senior Intelligence Duty Officer)
- SIDP (Sputter Ion Depth Profiling)
- SIDPERS (Standard Installation/ Division PERsonnel System)
- SIDPP (Shut-In Drill Pipe Pressure)
- SIDS (Sudden infant death syndrome)
- SIDSA (Sudden Infant Death Syndrome Alliance)
- SIDSM (Sidewall Sample)
- 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)
