Former District Collectors
| Sl.No | Name | From | To |
|---|---|---|---|
| 1 | Shri.A.Kunhammed | 1957 | 1957 |
| 2 | Shri.P.K.Abdulla IAS | 1957 | 1959 |
| 3 | Shri.A.S.Menon IAS | 1959 | 1960 |
| 4 | Shri.P.Padmanabha Iyer | 1960 | 1962 |
| 5 | Shri.K.Madhavan Nair IAS | 1962 | 1965 |
| 6 | Smt.Padma Ramachandran IAS | 1965 | 1966 |
| 7 | Shri.P.O.Kuruvila IAS | 1966 | 1967 |
| 8 | Shri.S.Gopalan IAS | 1967 | 1968 |
| 9 | Shri.C.P.Nair IAS | 1968 | 1970 |
| 10 | Shri.S.Varadachary IAS | 1970 | 1971 |
| 11 | Shri.C.P.Ramakrishna pillai IAS | 08-01-1971 | 25-05-1972 |
| 12 | Shri.N.Krishnan Nair IAS | 25-05-1972 | 22-06-1973 |
| 13 | Smt.Sarala Gopalan IAS | 22-06-1973 | 13-12-1975 |
| 14 | Smt.Omana Kunjamma IAS | 13-12-1975 | 30-04-1978 |
| 15 | Smt.Lalithambika IAS | 16-05-1978 | 11-12-1978 |
| 16 | Shri.V.Krishnamurthy IAS | 14-12-1978 | 20-11-1980 |
| 17 | Shri.V.V.Vijayan IAS | 14-12-1980 | 15-07-1983 |
| 18 | Shri.K.V.Nambiar IAS | 01-09-1983 | 07-11-1984 |
| 19 | Shri.M.K.Bhaskaran IAS | 07-11-1984 | 30-09-1986 |
| 20 | Smt.Sudhan Pillai IAS | 30-09-1986 | 15-06-1988 |
| 21 | Shri.T.Balakrishnan IAS | 15-07-1988 | 01-06-1990 |
| 22 | Smt.Nalini Netto IAS | 04-06-1990 | 16-06-1993 |
| 23 | Smt.Nivedita.P.Haran IAS | 17-06-1993 | 19-11-1994 |
| 24 | Smt.Aruna Sundara Rajan IAS | 19-11-1994 | 02-11-1996 |
| 25 | Shri.E.K.Majhi IAS | 15-11-1996 | 17-09-1998 |
| 26 | Smt.Sarada Muraleedharan IAS | 18-09-1998 | 18-10-2000 |
| 27 | Shri.S.Sreenivasan IAS | 18-10-2000 | 11-06-2001 |
| 28 | Shri.K.R.Jyothi Lal IAS | 11-06-2001 | 07-06-2002 |
| 29 | Shri.E.Ayyappan IAS | 07-06-2002 | 29-08-2003 |
| 30 | Shri.K.R.Muraleedharan IAS | 29-08-2003 | 12-07-2004 |
| 31 | Smt.Tinku Biswal IAS | 12-07-2004 | 16-07-2005 |
| 32 | Shri.N.Ayyappan IAS | 25-07-2005 | 06-01-2008 |
| 33 | Shri.Sanjay Kaul IAS | 28-02-2008 | 21-02-2011 |
| 34 | Shri.Dr.Dinesh Arora IAS | 23-02-2011 | 22-06-2011 |
| 35 | Shri.P.M.Francis IAS | 22-06-2011 | 21-10-2011 |
| 36 | Shri.M.NandaKumar IAS | 24-10-2011 | 17-11-2011 |
| 37 | Shri.K.N.Satheesh IAS | 21-12-2011 | 17-02-2014 |
| 38 | Shri.Biju Prabhakar IAS | 17-02-2014 | 30-05-2015 |
| 39 | Shri.Dr.A.Kowsigan IAS | 01-06-2015 | 10-07-2015 |
| 40 | Shri.Biju Prabhakar IAS | 10-07-2015 | 17-08-2016 |
| 41 | Shri.Venkatesapathy.S IAS | 17-08-2016 | 25-08-2017 |
| 42 | Smt.Dr.K.Vasuki IAS | 29-08-2017 | 29-05-2019 |
| 43 | Shri.K.Gopalakrishnan IAS | 20-06-2019 | 01-06-2020 |
| 44 | Smt.Dr.Navjot Khosa IAS | 01-06-2020 | 01-08-2022 |
| 45 | Shri.Geromic George IAS | 01-08-2022 | 22-07-2024 |
| 46 | Smt.Anu kumari IAS | 22-07-2024 | 01-10-2026 |
| 47 | Smt. Anju K.S IAS | 01-10-2026 | – |