| 释义 |
JDA may refer to: - JDA Software, an American software and consultancy company
- Janne Da Arc, a Japanese rock group
- Japan Defense Agency, the former name of the Japanese Ministry of Defense
- Japan Dental Association
- Jersey Democratic Alliance
- Jerusalem Development Authority
- Grant County Regional Airport (IATA code) in John Day, Oregon
- Joint defense agreement, an extension of attorney-client privilege
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