CISS
The abbreviation CISS stands for:
- Center for Intelligence and Security Studies
- Center for Islamic Shi'a Studies in London
- Chiral induced spin selectivity , a term from physical chemistry
- Committee International des Sports Sourds , the International Committee for Deaf Sports
- Continuous Ink Supply System , an uninterrupted ink supply for inkjet printers
- Constructive Interference in Steady State, a special sequence in magnetic resonance imaging (MRI)