ICS
ICS is used as an abbreviation for:
- Institute for Curriculum Services
- Image Correlation Spectroscopy
- Image Cytometry Standard
- Immotile cilia syndrome in medicine
- Incident Command System
- Indian Central School
- Indian Civil Service
- Infinite City Sprawl in Civilization (computer game)
- Information and Computer Science
- InterCitySlovenija
- Inter Community School Zurich
- International Classification for Standards
- International Commission on Stratigraphy
- International Community School
- Internet Calendaring and Scheduling, iCalendar service
- Internet Chess Server
- Internet Connection Sharing
- International Christian School
- Integrated Circuit Systems, now part of IDT
ICS may also refer to: ICS Vortex, a norwegian black metal musician