| name | alignment | date dissolved | date founded | city Headquarters | administrative division Headquarters | country Headquarters | continent Headquarters | Country | continent | Website | number of members | short name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| People's Alliance (Sri Lanka) | 2004 | 1994 | Colombo | Western | Sri Lanka | Asia | Sri Lanka | Asia | Website | |||
| Communist Party of Sri Lanka | 1943 | Colombo | Western | Sri Lanka | Asia | Sri Lanka | Asia | Website | ||||
| Democratic Left Front (Sri Lanka) | 1999 | Colombo | Western | Sri Lanka | Asia | Sri Lanka | Asia | Website | ||||
| Democratic National Alliance (Sri Lanka) | 22/11/2009 | Colombo | Western | Sri Lanka | Asia | Sri Lanka | Asia | Website | ||||
| Democratic Party (Sri Lanka) | 01/04/2013 | Sri Lanka | Sri Lanka | Website |