| Term | Full Form | Category |
|---|---|---|
| ECHA | East Chicago Housing Authority | Others |
| ECHA | Eastern Collegiate Hockey Association | Others |
| ECHA | End Child Hunger in Alabama | Others |
| ECHA | Essex County Highway Association | Others |
| ECHA | European Chemicals Agency | Others |
| ECHA | European Council for High Ability | Others |
| ECHA | Executive Committee For Humanitarian Affairs | Others |
| ECHA | Executive Committee on Humanitarian Affairs | Others |