Saix
Saix, Saïx or SAIX may refer to:
- Saïx, a commune in Occitania, France
 - Saix, Vienne, a commune in the Nouvelle-Aquitaine region of France
 - Saïx (Kingdom Hearts), a fictional video-game character
 - Tyler De Saix, pseudonym of Irish author Henry De Vere Stacpoole (1863–1951)
 - SAIX, the South African Internet Exchange