Chief Ministers of Tamil Nadu:
The Chief Minister of Tamil Nadu is the head of the state government. A. Subbarayalu Reddiar (17-12-1920 till 11-07-1921) was the First Cheif Minister of Tamilnadu from the Justice Party. Janaki Ramachandran was the First Woman Cheif Minister of Tamilnadu from AIADMK. J. Jayalalithaa (AIADMK) served CM 6 times in Tamilnadu. C.N.Annadurai (popularly called Anna/ Arignar Anna was the first Chief Minister of Tamil Nadu and the last Chief Minister of Madras). C. N. Annadurai, M. G. Ramachandran, and J. Jayalalithaa remained chief ministers till his/her death. Currently, M.K.Stalin was the CM of Tamil Nadu from 07 May 2021 till the Present. A list of Chief Ministers of Tamil Nadu before 1950 and after 1950 is given below with Party Name:
Also, see List of Governors of Tamilnadu, click to see – List of Governors of Tamil Nadu.
Chief Ministers of Tamil Nadu Before 1950:
List of Chief Ministers of Tamilnadu from 1920 till 1950 with a party given below:
| S.No | Name | Party | Period |
| 1. | A. Subbarayalu Reddiar | Justice Party | 17-12-1920 till 11-07-1921 |
| 2. | Raja of Panagal | Justice Party | 11-07-1921 till 03-12-1926 |
| 3. | P. Subbarayan | Justice Party | 4-12-1926 till 27-10-1930 |
| 4. | B. Munuswamy Naidu | Justice Party | 27-10-1930 till 04-11-1932 |
| 5. | Ramakrishna Ranga Rao | Justice Party | 5-11-1932 till 4-04-1936 |
| 6. | P. T. Rajan | Justice Party | 4-04-1936 till 24-08-1936 |
| 7. | Ramakrishna Ranga Rao | Justice Party | 24-08-1936 till 1-04-1937 |
| 8. | Kurma Venkata Reddy Naidu | Interim | 1-04-1937 till 14-07-1937 |
| 9. | C. Rajagopalachari | Indian National Congress | 14-07-1937 till 29-10-1939 |
| 10. | T.Prakasam | INC | 30-04-1946 till 23-03-1947 |
| 11. | O. P. Ramaswamy Reddiyar | INC | 23-03-1947 till 6-04-1949 |
| 12. | P. S. Kumaraswamy Raja | INC | 6-04-1949 till 26-01-1950 |
List of Chief Ministers of Tamil Nadu After 1950:
The complete list of chief ministers of Tamil Nadu till now is tabulated with their tenure time period. List of Chief Ministers of Tamilnadu from 26th January 1950 till Present (2022) with a party given below:
| S.NO | Name | Party | Period |
| 1. | P. S. Kumaraswamy Raja | INC | 26 January 1950 till 9 April 1952 |
| 2. | C. Rajagopalachari | INC | 10 April 1952 till 13 April 1954 |
| 3. | K. Kamaraj | INC | 13 April 1954 till 2 October 1963 |
| 4. | M. Bakthavatsalam | INC | 2 October 1963 till 6 March 1967 |
| 5. | C. N. Annadurai | DMK | 6 March 1967 till 3 Feb. 1969 |
| 6. | V.R. Nedunchezhiyan | DMK | 3 Feb. 1969 till 10 Feb. 1969 |
| 7. | M. Karunanidhi | DMK | 3 Feb. 1969 till 31 Jan. 1976 |
| 8. | M. G. Ramachandran | AIADMK | 30 June 1977 till 24 Dec. 1987 |
| 9. | V.R. Nedunchezhiyan | AIADMK | 24 Dec. 1987 till 7 January 1988 |
| 10. | Janaki Ramachandran | AIADMK | 7 Jan. 1988 till 30 Jan. 1988 |
| 11. | M. Karunanidhi | DMK | 27 Jan. 1989 till 30 Jan. 1991 |
| 12. | J. Jayalalithaa | AIADMK | 24 June 1991 till 12 May 1996 |
| 13. | M. Karunanidhi | DMK | 13 May 1996 till 13 May 2001 |
| 14. | J. Jayalalithaa | AIADMK | 14 May 2001 till 21 Sep. 2001 |
| 15. | O. Panneerselvam | AIADMK | 21 Sept. 2001 till 1 March 2002 |
| 16. | J. Jayalalithaa | AIADMK | 2 March 2002 till 12 May 2006 |
| 17. | M. Karunanidhi | DMK | 13 May 2006 till 15 May 2011 |
| 18. | J. Jayalalithaa | AIADMK | 16 May 2011 till 27 Sept. 2014 |
| 19. | O. Panneerselvam | AIADMK | 29 Sept. 2014 till 22 May 2015 |
| 20 | J. Jayalalithaa | AIADMK | 23 May 2015 till 5 Dec. 2016 |
| 21. | O. Panneerselvam | AIADMK | 10 Dec. 2016 till 6 Feb. 2017 |
| 22. | Edappadi K. Palaniswami | AIADMK | 16 Feb. 2017 till 03 May 2021 |
| 23. | M.K.Stalin | DMK | 07 May 2021 till now(2022) |
the CM of Tamil nadu 2022 complete list with their names, and tenure time period is provided on this page.