| Acronym | Definition |
|---|
| ISDO➣Information Society Development Office (Ministry of Communications and Information Technology; Egypt) |
| ISDO➣International Six Day Organisation (cycling) |
| ISDO➣Indigenous Sports Development Officer (Australia) |
| ISDO➣Increase Skills Development Opportunities (Swiss project; Albania) |
| ISDO➣International Street Dance Organization |
| ISDO➣In-Sequence Delivery Option (computing) |