| Name | National party | Constituency | EP Group |
| Filip Adwent (until 26 June 2005)
Andrzej Tomasz Zapałowski (from 12 July 2005) |
League of Polish Families (LPR) (until 13 June 2007)
Independent |
Podkarpackie |
IND&DEM (until 12 December 2006)
UEN |
| Adam Bielan |
Law and Justice (PiS) |
Lesser Poland and Świętokrzyskie |
UEN |
| Jerzy Buzek |
Civic Platform (PO) |
Silesia |
EPP–ED |
| Zdzisław Chmielewski |
Civic Platform (PO) |
Lubusz and West Pomerania |
EPP–ED |
| Sylwester Chruszcz |
League of Polish Families (LPR) (until 3 December 2008)
Forward Poland (NP) |
Lower Silesian and Opole |
IND&DEM (until 14 December 2005)
NI (until 17 December 2008)
UEN |
| Marek Czarnecki |
Self-Defence of the Republic of Poland (SRP) (until 4 May 2008)
Independent |
Masovia |
NI (until 14 November 2006)
UEN (until 9 June 2008)
ALDE |
| Ryszard Czarnecki |
Self-Defence of the Republic of Poland (SRP) (until 23 January 2008)
Independent (until 9 October 2008)
Law and Justice (PiS) |
Lower Silesian and Opole |
NI (until 14 November 2006)
UEN |
| Anna Elżbieta Fotyga (until 22 November 2005)
Hanna Foltyn-Kubicka (from 7 December 2005) |
Law and Justice (PiS) |
Pomerania |
UEN |
| Bronisław Geremek (until 13 July 2008)
Andrzej Wielowieyski (from 26 August 2008) |
Freedom Union (UW) (until 14 June 2005)
Freedom Union - Democratic Party |
Warsaw |
ALDE |
| Lidia Geringer de Oedenberg |
Democratic Left Alliance – Labour Union (SLD-UP) |
Lower Silesian and Opole |
PES |
| Adam Gierek |
Democratic Left Alliance – Labour Union (SLD-UP) |
Silesia |
PES |
| Maciej Giertych |
League of Polish Families (LPR) |
Silesia |
IND&DEM (until 14 December 2005)
NI |
| Bogdan Golik |
Self-Defence of the Republic of Poland (SRP) (until 16 December 2007)
Independent |
Łódź |
NI (until 30 November 2004)
PES |
| Genowefa Grabowska |
Social Democracy of Poland (SDPL) |
Silesia |
PES |
| Dariusz Grabowski |
League of Polish Families (LPR) (4 June 2007)
Independent |
Masovia |
IND&DEM (until 12 December 2006)
UEN |
| Małgorzata Handzlik |
Civic Platform (PO) |
Silesia |
EPP–ED |
| Stanisław Jałowiecki |
Civic Platform (PO) |
Lower Silesian and Opole |
EPP–ED |
| Mieczysław Janowski |
Law and Justice (PiS) |
Podkarpackie |
UEN |
| Filip Kaczmarek |
Civic Platform (PO) |
Greater Poland |
EPP–ED |
| Michał Kamiński (until 6 August 2007)
Ewa Tomaszewska (from 30 August 2007) |
Law and Justice (PiS) |
Warsaw |
UEN |
| Bogdan Klich (until 15 November 2007)
Urszula Gacek (from 6 December 2007) |
Civic Platform (PO) |
Lesser Poland and Świętokrzyskie |
EPP–ED |
| Urszula Krupa |
League of Polish Families (LPR) (13 June 2006)
Independent |
Łódź |
IND&DEM |
| Wiesław Kuc |
Self-Defence of the Republic of Poland (SRP) |
Lublin |
NI (until 30 November 2004)
PES (until 12 December 2006)
UEN |
| Barbara Kudrycka (until 15 November 2007)
Krzysztof Hołowczyc (from 6 December 2007) |
Civic Platform (PO) (until 18 December 2007)
Independent |
Podlaskie and Warmian-Masuria |
EPP–ED |
| Jan Kułakowski |
Freedom Union (UW) |
Greater Poland |
ALDE |
| Zbigniew Kuźmiuk |
Polish People's Party (PSL) |
Masovia |
EPP–ED (12 December 2005)
UEN |
| Janusz Lewandowski |
Civic Platform (PO) |
Pomerania |
EPP–ED |
| Bogusław Liberadzki |
Democratic Left Alliance – Labour Union (SLD-UP) |
Lubusz and West Pomeranian |
PES |
| Marcin Libicki |
Law and Justice (PiS) |
Greater Poland |
UEN |
| Janusz Wojciechowski |
Polish People's Party (PSL) |
|
EPP–ED (12 December 2005)
UEN |
| Jan Masiel |
Self-Defence of the Republic of Poland (SRP)
Polish People's Party "Piast" (PSL Piast) |
|
NI (14 November 2006)
UEN |
| Jan Olbrycht |
|
|
EPP–ED |
| Janusz Onyszkiewicz |
|
|
ALDE |
| Bogdan Pęk |
League of Polish Families (LPR) (until 24 January 2006)
Independent (until 5 November 2008)
Forward Poland (NP) |
Lesser Poland and Świętokrzyskie |
IND&DEM (until 12 December 2006)
UEN |
| Józef Pinior |
Social Democracy of Poland (SDPL) |
|
PES |
| Mirosław Piotrowski |
League of Polish Families (LPR) (3 December 2006)
Independent |
|
IND&DEM (until 12 December 2006)
UEN |
| Paweł Piskorski |
Civic Platform (PO) (until 31 March 2009)
Alliance of Democrats |
|
EPP–ED (until 30 April 2006)
NI (22 October 2006)
ALDE |
| Zdzisław Podkański |
Polish People's Party (PSL) |
|
EPP–ED (until 12 December 2005)
UEN |
| Jacek Protasiewicz |
Civic Platform (PO) |
|
EPP–ED |
| Bogusław Rogalski |
League of Polish Families (LPR) (until 24 January 2006)
Polish Forum [pl] (until 2 December 2008)
Forward Poland (NP) |
Podlaskie and Warmian-Masuria |
IND&DEM (until 12 December 2006)
UEN |
| Dariusz Rosati |
|
|
PES |
| Wojciech Roszkowski |
|
|
UEN |
| Leopold Rutowicz |
Self-Defence of the Republic of Poland (SRP) |
|
NI (until 14 November 2006)
UEN |
| Jacek Saryusz-Wolski |
|
|
EPP–ED |
| Czesław Siekierski |
|
|
EPP–ED |
| Marek Siwiec |
|
|
PES |
| Bogusław Sonik |
|
|
EPP–ED |
| Grażyna Staniszewska |
|
|
ALDE |
| Andrzej Szejna |
|
|
PES |
| Konrad Szymański |
|
|
UEN |
| Witold Tomczak |
League of Polish Families (LPR) |
Greater Poland |
IND&DEM |
| Wojciech Wierzejski (until 6 October 2005)
Bernard Piotr Wojciechowski (from 26 October 2005) |
League of Polish Families (LPR) (until 15 April 2007)
Independent |
|
IND&DEM (until 14 December 2005)
NI (until 28 March 2007)
IND&DEM |
| Zbigniew Zaleski |
|
|
EPP–ED |
| Tadeusz Zwiefka |
Civic Platform (PO) |
Kuyavian-Pomerania |
EPP–ED |