- CASAS stands for Comprehensive Adult Student Assessment System
- CASAS stands for Centre for Advanced Studies of African Society (est. 1997; Cape Town, South Africa)
- CASAS stands for Centre for Applied South Asian Studies (University of Manchester; UK)
- CASAS stands for Collectif pour l’Accueil des Solliciteurs d’Asile a Strasbourg (French: Collective for the Reception of Asylum Solicitors in Strasbourg; Strasbourg, France)
- CASAS stands for Center for Academic Support and Advising Services (Liberty University; Lynchburg, VA)
- CASAS stands for Computer-Assisted Skeletal Age Score (medical assessment)
- CASAS stands for Centralized Aircraft Survivability Assessment System
CASAS