- Said to be
- Said to contain
- SAR
- Satellite Navigation
- Seafreight
- Second Party Logistic Model (2PL)
- Securing
- Shipper’s load, stowage and count
- Shunting station
- SIGNI
- Skids
- SOF
- Special equipment
- Spidering
- Spreader
- SSC
- Stability
- Starboard
- Statement of Facts
- Statistical value
- Statistics code
- Statistics number
- STB
- STC
- STI
- Stowing
- Straddle carrier
- Stripping
- Stuffing
- Summer freeboard