Tamil Nadu Political Parties Name List
| Party | Abbreviation | Founded | Key Leader | Notes / Symbol |
| Dravida Munnetra Kazhagam | DMK | 1949 | M. K. Stalin | Ruling party (majority in assembly); Rising Sun |
| All India Anna Dravida Munnetra Kazhagam | AIADMK | 1972 | Edappadi K. Palaniswami | Main opposition; Two Leaves |
| Tamilaga Vettri Kazhagam | TVK | 2024 | Vijay (actor) | Emerging player, contesting independently |
| Naam Tamilar Katchi | NTK | 2010 | Seeman | Tamil nationalist party |
| Viduthalai Chiruthaigal Katchi | VCK | 1982 | Thol. Thirumavalavan | Dalit-focused party |
| Pattali Makkal Katchi | PMK | 1989 | Anbumani Ramadoss | Vanniyar community-focused |
| Desiya Murpokku Dravida Kazhagam | DMDK | 2005 | Premalatha Vijayakant | |
| Marumalarchi Dravida Munnetra Kazhagam | MDMK | 1994 | Vaiko |
Key National Parties Active in Tamil Nadu
- Indian National Congress (INC) — Often allies with DMK
- Bharatiya Janata Party (BJP) — Allies with AIADMK side
- Communist Party of India (CPI)
- Communist Party of India (Marxist) (CPI(M))
- Bahujan Samaj Party (BSP)
- Aam Aadmi Party (AAP)
Other Notable Parties
- Amma Makkal Munnetra Kazhagam (AMMK) — T. T. V. Dhinakaran
- Makkal Needhi Maiam (MNM) — Kamal Haasan
- Indian Union Muslim League (IUML)
- Indhiya Jananayaga Katchi (IJK) — T. R. Paarivendhar
- Puthiya Tamilagam (PT) — K. Krishnasamy
- Tamil Maanila Congress (TMC(M)) — G. K. Vasan
- All India Forward Bloc (AIFB) Current Context (2026 Assembly Elections): Politics revolves around the DMK-led Secular Progressive Alliance (SPA) and the AIADMK-led NDA (including BJP, PMK, etc.