International Development Association 
Institute for Defense Analyses 
Institute for Defense Analysis 
Individual Development Account 
Integrated Digital Access 
Information on Drugs and Alcohol 
Interface Display Assembly 
Intrusion Detection Alarm 
International Dark-Sky Association 
International Development Agency 
isotope dilution analysis 
Individual Development Accounts 
Industrial Development Authority 
Information about Drugs and Alcohol 
Integrated Digital Avionics 
Intelligent Disk Array 
Intelligent Drive Array 
Interchange of Data between Administra… 
INTERCONNECT DEVICE ARRANGEMENT 
Interface Definition Agreement 
International Database Association 
International Desalination Association 
Ionospheric Dispersion Analysis 
I dislike acronyms 
Idaho 
Image Divider Assembly 
Individual Dynamic Absorption 
Industrial Developers Association 
Industrial Development Agency 
Industrial Diamond Association