- Siwa Oasis
- Siwa Site
- Siwa Yizhi
- Siwei Children's Drama School
- siwei suiting silk
- Si Wen
- SIWI
- siwu decoction
- Si Wu Hua Dong
- Six Academies and Two Pavilions
- Six Administrative Sections
- six-axis CNC electrical discharge machine
- six bronze wares in Anzhou
- Six Categories of Chinese Characters
- six categories of poems
- six categories (padârtha) of existence
- Six Categories Studies of Chinese Characters in Song, Yuan and Ming Dynasties
- Six-character Exercises
- Six Characteristics Observable in Existent Things
- Six Characters in Search of an Author
- Six Chuanqi Stories by Yang Tanyuan
- six circles theorem
- six classical arts
- six climatic exopathogens
- six-color photoelectric photometry