- CAESAR stands for Catalogue of Arcade Emulation Software – the Absolute Reference
- CAESAR stands for Coalition Aerial Surveillance And Reconnaissance
- CAESAR stands for Cache Embedded Switch Architecture
- CAESAR stands for Civilian American & European Surface Anthropometry Resource
- CAESAR stands for Computational-Intensive Applications for Engineering, Design, and Simulation on Scalable Parallel Architectures
- CAESAR stands for Computer-Aided Exploration of Synthetic Aperture Radar
- CAESAR stands for Complaint Analysis Evaluation System and Reports
- CAESAR stands for Component And Engine Structural Assessment Research (USAF/P&W)
- CAESAR stands for Condition and Environment Sensing and Reporting
- CAESAR stands for Computer Aided Engineering Stress Analysis Routines
CAESAR