| Abbreviation | Definition |
|---|---|
| MNK | Makkal Nalurimaik Kazhagam |
| NTYO | National Tamil Youth Organization |
| NUTA | Newham United Tamil Association |
| PMN | Public services help line I love you imo working thanks you |
| PSPK | Pravin Sushmitha Priyanka Karthick |
| ROTN | Rest Of Tamil Nadu |
| STF | Sastha Tamil Foundation |
| STN | Sipcot Tamil Nadu |
| STTU | Singapore Tamil Teachers Union |
| TACE | Tamil All Character Encoding |
| TAEI | Tamil Nadu Accident and Emergency Care Initiative |
| TELG | Tamil Eelam Liberation Guerrillas |
| TELO | Tamil Eelam Liberation Organization |
| TFPC | Tamil Film Producers Council |
| TGTE | Transnational Government of Tamil Eelam |
| TLF | Tamil Language Fanatic |
| TMKC | Tamil Maanila Kamaraj Congress |
| TMVP | Tamil Makkal Viduthalai Pulikal |
| TNAU | Tamil Nadu Agricultural University |
| TNCC | Tamil Nadu Congress Committee |