| Acronym | Definition |
|---|
| TSIG➣Teleservices Internet Group |
| TSIG➣Telecommunications Special Interest Group |
| TSIG➣Technical Services Interest Group |
| TSIG➣Transaction Signature (RFC 1035) |
| TSIG➣Trusted Systems Interoperability Group |
| TSIG➣Technical Services Interest Group (Canadian Library Association) |
| TSIG➣Technical Solutions Implementation Group (United Kingdom e-Health Association) |
| TSIG➣Type of Signalling |