Sie
- Army Intelligence Service
- Donald-Olivier Sié
- Foreign Intelligence Service (Romania)
- James Sie
- John J. Sie
- SIE (file format)
- Sherburn-in-Elmet railway station
- Sia (disambiguation)
- Sie Kensou
- Sie language
- Simaa language
- Society of Industrial Engineering
- Sony Interactive Entertainment
- Special Intervention Squadron
- Specific ion electrode
- Staten Island Expressway
- Trish Sie
- Xie (disambiguation)