KCS
The abbreviation KCS stands for:
- Kansas City Southern , an American rail transportation holding company
- Kansas City Standard , a data format for audio cassettes
- Keratoconjunctivitis sicca , a clinical picture from ophthalmology
- Competence Center Security , an institution of the State of North Rhine-Westphalia
- Kalina Cycle System , Kalina process of a heat engine
kcs (kilocycles) is a historical English-language abbreviation for kilohertz .