- Senate's Club of the Democratic Left Alliance and the Union of Labour "The Left Together""
- Senators' Club Bloc Senat 2001
- Senate Club of Polish Socialdemocracy
- Circle of Peasant and Independent Senators
- Circle of the demokraci.pl
- Senators' Circle of the Self-Defence of the Republic of Poland
- Parliamentary - Civic Platform
- Senators' Circle of the League of Polish Families
- Parliamentary Club of Law and Justice
- Independent Senators
Senators' membership of clubs and circles