- ACID stands for Anti Copying in Design (est. 1996; trade organization)
- ACID stands for Atomicity, Consistency, Isolation, and Durability (database transaction properties)
- ACID stands for Analysis Console for Intrusion Databases
- ACID stands for Aircraft Identification (aviation)
- ACID stands for ANSI Creators In Demand
- ACID stands for Arielle Chester Industrial Design (cigar brand)
- ACID stands for Allocated Configuration Identification
- ACID stands for Accessor Identification
- ACID stands for Acidification Chemistry Information Database
- ACID stands for AT&T Communications ISDN
- ACID stands for Automatic Classification and Interpretation of Data
- ACID stands for Adaptive COMSEC Interface Device
- ACID stands for Advanced Combat Infantry Division (gaming)
- ACID stands for Application Context Identifier
- ACID stands for Advanced Corporate Information Directory (Cidera multi-platform web enabled file sharing tool)
- ACID stands for ANSI Coders In Demand
- ACID stands for All-Service Combat Identification Demonstration
- ACID stands for Alcatel Craft Interface Device
- ACID stands for Active Change Initiating Document
- ACID stands for Atomicità, Consistenza, Isolamento, Durata
- ACID stands for Advanced Caller Identification
- ACID stands for Aggressive Criminal Interdiction Detail
- ACID stands for Advanced Computing Information Database
- ACID stands for Accelerated Change In Design
- ACID stands for ARQ (Automatic Repeat Request) Channel Identification (wireless communication)
ACID