| NATIONAL PARTIES |
| BJP - Bharatiya Janata Party |
| CPI - Communist Party of India |
| CPM - Communist Party of India (Marxist) |
| INC - Indian National Congress |
| NCP - Nationalist Congress Party |
| |
| STATE PARTIES |
| CPI(ML)(L) - Communist Party of India (Marxist-Lenninist) (Liberation) |
| JD(S) - Janata Dal (Secular) |
| JD(U) - Janata Dal (United) |
| KEC - Kerala Congress |
| KEC(M) - Kerala Congress (M) |
| MUL - Muslim League Kerala State Committee |
| RJD - Rashtriya Janata Dal |
| RSP - Revolutionary Socialist Party |
| SHS - Shivsena |
| |
| REGISTERED(Unrecognised) PARTIES |
| AKMDMP - All Kerala M.G.R. Dravida Munnetra Party |
| CMPKSC - Communist Marxist Party Kerala State Committee |
| INGP - Indian National Green Party |
| INL - Indian National League |
| JP - Janata Party |
| JPSS - Janadhipathiya Samrekshna Samiti |
| KEC(B) - Kerala Congress (B) |
| KEC(J) - Kerala Congress (Jacob) |
| LJNSP - Lok Jan Shakti Party |
| RSPK(B) - Revolutionary Socialist Party of Kerala (Bolshevik) |
| SJP(R) - Samajwadi Janata Party (Rashtriya) |
| SLAP - Social Action Party |
| UIPP - United India Peoples Party |