Cem (disambiguation)
- Association of Energy Engineers
- CBU-87 Combined Effects Munition
- Cem (given name)
- Cem (magazine)
- Cem (river)
- Cem (surname)
- Cem Sultan
- Central Airport
- Certified Emergency Manager
- Chain ejection model
- Civil Emergency Message
- College of Emergency Medicine
- College of Engineering Munnar
- College of Estate Management
- Compagnie Électro-Mécanique
- Companhia de Electricidade de Macau
- Composite epoxy material
- Computational electromagnetics
- Computational engineering
- Contagious equine metritis
- Curtis Electromusic Specialties
- Customer experience management
- Cylindrical Energy Module
- International Union for Conservation of Nature
- Jem (Alevism)
- PCI Express
- Southern California University of Health Sciences
- T cell
- Volvo 480