- BASH stands for Bourne Again Shell (Unix/Linux)
- BASH stands for Bird/wildlife Aircraft Strike Hazard (military/aviation)
- BASH stands for Bridged Amplifier Switching Hybrid
- BASH stands for Bandwidth Sharing
- BASH stands for Bay Area Siberian Husky Club
- BASH stands for Blue Ash YMCA (Cincinnati, Ohio)
- BASH stands for Bulimia Anorexia Self-Help, Inc.
- BASH stands for Bikers Against Statewide Hunger (Washington)
BASH