Other
- Canadian Learning Television, the former name of a Canadian cable network now called Viva
- Capitol Land Trust, non-profit environmental organisation in Washington state, USA
- Central location test
- Chronic lymphocytic thyroiditis
- Clinical Laboratory Technologist, a healthcare professional
- Communicative language teaching
- Community Land Trust
- See RTL Group for Compagnie Luxembourgeoise de Télédiffusion
- Consolidação das Leis do Trabalho, Consolidation of Labor Laws
Read more about this topic: CLT