A chronological list of Chief Ministers of Tamilnadu since 1920

• Thiru A Subbarayalu : 17-12-1920 to 11-07-1921
• Thiru Panagal Raja : 11-07-1921 to 03-12-1926
• Thiru Dr. P Subbarayan : 04-12-1926 to 27-10-1930
• Thiru P Munuswamy Naidu : 27-10-1930 to 04-11-1932
• Thiru Ramakrishna Ranga Rao, Raja of Bobbili : 05-11-1932 to 04-04-1936
• Thiru P T Rajan : 04-04-1936 to 24-08-1936
• Thiru Ramakrishna Ranga Rao, Raja of Bobbili : 24-08-1936 to 01-04-1937
• Thiru Kurma Venkata Reddy Naidu : 01-04-1937 to 14-07-1937
• Thiru C Rajagopalachari : 14-07-1937 to 29-10-1939
• Thiru Tanguturi Prakasam : 30-04-1946 to 23-03-1947
• Thiru O P Ramaswamy Reddiyar : 23-03-1947 to 06-04-1949
• Thiru P S Kumaraswamy Raja : 06-04-1949 to 09-04-1952
• Thiru C Rajagopalachari : 10-04-1952 to 13-04-1954
• Thiru K Kamaraj : 13-04-1954 to 02-10-1963
• Thiru M Bakthavatsalam : 02-10-1963 to 06-03-1967
• Dr. C.N. Annadurai : 06-03-1967 to 03-02-1969
• Kalaignar M Karunanidhi : 10-02-1969 to 04-01-1971; 15-03-1971 to 31-01-1976
• Dr. M G Ramachandran : 30-06-1977 to 17-02-1980 ; 09-06-1980 to 15-11-1984; 10-02-1985 to 24-12-1987
• Thirumathi Janaki Ramachandran : 07-01-1988 to 30-01-1988
• Kalaignar M Karunanidhi : 27-01-1989 to 30-01-1991
• Dr. Selvi J Jayalalithaa : 24-06-1991 to 12-05-1996
• Kalaignar M Karunanidhi : 13-05-1996 to 13-05-2001
• Dr. Selvi J Jayalalitha : 14-05-2001 to 21-09-2001
• Thiru O. Panneerselvam : 21-09-2001 to 01-03-2002
• Dr. Selvi J Jayalalithaa : 02-03-2002 to 12-05-2006
• Kalaignar M. Karunanidhi : 13-05-2006 onwards