| ACMC | All Ceylon Makkal Congress |
| AITC | Ahila Ilankai Thamil Congress |
| AITM | Akhila Ilankai Tamil Mahasabha |
| DLF | Democratic Left Front |
| DUA | Democratic Unity Alliance |
| DUNF | Democratic United National Front |
| EDF | Eelavar Democratic Front |
| EPDP | Eelam People's Democratic Party |
| FSP | Frontline Socialist Party |
| ITAK | Ilankai Tamil Arasu Kadchi |
| JJB | Jathika Jana Balawegaya |
| JSP | Jana Setha Peramuna |
| JSWP | Jathika Sangwardhena Peramuna |
| LSSP | Lanka Sama Samaja Party |
| MJP | Maubima Janatha Pakshaya |
| MNA | Muslim National Alliance |
| NC | National Congress |
| NDF | National Democratic Front |
| NEWDF | New Democratic Front |
| NPP | National Peoples Party |
| NSU | Nawa Sihala Urumaya |
| OPPP | Our Power of People Party |
| OWORS | Okkoma Wasiyo Okkoma Rajawaru Sanvidanaya |
| SDPT | Social Democratic Party of Tamils |
| SEP | Socialist Equality Party |
| SJB | Samagi Jana Balawegaya |
| SJP | Sinhaladeepa Jathika Peramuna |
| SLFP | Sri Lanka Freedom Party |
| SLLP | Sri Lanka Labour Party |
| SLMC | Sri Lanka Muslim Congress |
| SLPP | Sri Lanka Podujana Peramuna |
| SPS | Socialist Party of Sri Lanka |
| LP | The Liberal Party |
| TMTK | Thamil Makkal Thesiya Kuttani |
| TMVP | Thamil Makkal Viduthalai Pulikal |
| TULF | Tamil United Liberation Front |
| ULF | United Left Front |
| UNP | United National Party |
| UPA | United Peace Alliance |
| USP | United Socialist Party |