KLS
The acronym refers to KLS:
- Kleine- Levin syndrome, a rare neurological disease
- Kuala Lumpur Sentral Station, the largest train station in Kuala Lumpur
- The electoral coalition Communists and Left Socialists of Communist Party of Austria and Left Socialists
- Cross longitudinal sleeper track
- Circle Liberal Social Democrats coalition of SPD members
- Disambiguation
- Abbreviation