Chathannoor
Members of Kerala Legislative Assembly from Chathannoor Assembly Constituency
| Year | Member | Party | ||
| 1965 | Thankappan Pillai | IND | ||
| 1967 | P. Ravindran | CPI | ||
| 1970 | P. Ravindran | CPI | ||
| 1977 | J. Chitaranjan | CPI | ||
| 1980 | J. Chitaranjan | CPI | ||
| 1982 | C. V. Padmarajan | INC | ||
| 1987 | P. Ravindran | CPI | ||
| 1991 | C. V. Padmarajan | INC | ||
| 1996 | P. Ravindran | CPI | ||
| 1998 | N. Anirudhan | CPI | ||
| 2001 | G. Prathapavarma Thampan | INC | ||
| 2006 | N. Anirudhan | CPI | ||
| 2011 | G. S. Jayalal | CPI | ||
| 2016 | G. S. Jayalal | CPI | ||
| 2021 | GS Jayalal | CPI |
Local self governed segments in Chathannoor Assembly Constituency
| Sl.No. | Name | Status | Taluk |
| 1 | Paravoor | Municipality | Kollam |
| 2 | Adichanalloor | Grama panchayat | Kollam |
| 3 | Chathannoor | Grama panchayat | Kollam |
| 4 | Kalluvathukkal | Grama panchayat | Kollam |
| 5 | Poothakkulam | Grama panchayat | Kollam |
| 6 | Pooyappally | Grama panchayat | Kottarakkara |
