| Country: | Poland |
| Social Democracy of the Republic of Poland | |
| Native Name: | Socjaldemokracja Rzeczypospolitej Polskiej |
| Colorcode: | red |
| Leader: | Aleksander Kwaśniewski |
| Foundation: | 28 January 1990[1] |
| Dissolved: | 15 April 1999 |
| National: | Democratic Left Alliance (1990-99) |
| Predecessor: | Polish United Workers' Party (de facto) |
| Merged: | Democratic Left Alliance |
| Ideology: | Social democracy |
| Position: | Centre-left |
| International: | Socialist International (1996-1999) |
| Colours: | Red |
| Headquarters: | Warsaw |
Social Democracy of the Republic of Poland (pl|Socjaldemokracja Rzeczypospolitej Polskiej, SdRP) was a social-democratic political party in Poland created in 1990, shortly after the Revolutions of 1989. The party was the main party of the successor parties to the Polish United Workers Party (PZPR).
Among the creators and leading figures of SdRP were the former Polish president Aleksander Kwaśniewski, former speaker of the Sejm Józef Oleksy and former Prime Minister Leszek Miller.
On 15 April 1999, the SdRP was folded into the Democratic Left Alliance.[2]
| Election year | Leader |
votes | % ofvote |
overall seats won | +/– |
|---|---|---|---|---|---|
| 1991 | Aleksander Kwaśniewski | 1,344,820 | 12.0 (#2) | ||
| As part of the Democratic Left Alliance coalition, which won 60 seats in total. | |||||
| 1993 | Aleksander Kwaśniewski | 2,815,169 | 20.4 (#1) | 31 | |
| As part of the Democratic Left Alliance coalition, which won 171 seats in total. | |||||
| 1997 | Leszek Miller | 3,551,224 | 27.1 (#2) | 15 | |
| As part of the Democratic Left Alliance coalition, which won 164 seats in total. | |||||