Previous Delegation 2005-10
Full members
| Member | Party | European Group |
| Lord Prescott | Lab | SOC |
| Mr John Austin | Lab | SOC |
| Lord Chidgey | LD | ALDE |
| Mr Christopher Chope MP | Con | EDG |
| Mr Bill Etherington | Lab | SOC |
| Mr Paul Flynn MP | Lab | SOC |
| Mr Mike Hancock MP | LD | ALDE |
| Mr John Greenway | Con | EDG |
| Baroness Knight of Collingtree | Con | EDG |
| Chris McCafferty | Lab | SOC |
| Mr Andrew McIntosh | Lab | SOC |
| Mr Humfrey Malins | Con | EDG |
| Sir Alan Meale MP | Lab | SOC |
| Mr Edward O'Hara | Lab | SOC |
| Lord Tomlinson | Lab | SOC |
| Dr Rudi Vis | Lab | SOC |
| Mr Robert Walter MP | Con | EDG |
| Mr David Wilshire | Con | EDG |
Alternate members
| Member | Party | European Group |
| Rt Hon Lord Anderson of Swansea | Lab | SOC |
| Lord Boswell | Con | EDG |
| Mr James Clappison MP | Con | EDG |
| Rt Hon Ann Clwyd MP | Lab | SOC |
| Mrs Claire Curtis-Thomas | Lab | SOC |
| Mr Nigel Dodds MP | DUP | EDG |
| Earl of Dundee | Con | EDG |
| Mr Nigel Evans MP | Con | EDG |
| Baroness Gale | Lab | SOC |
| Mr Oliver Heald MP | Con | EDG |
| Mr Doug Henderson | Lab | SOC |
| Mr Jim Hood MP | Lab | SOC |
| Mr Bob Laxton | Lab | SOC |
| Rt Hon Dr Denis MacShane | Lab | SOC |
| Mr Khalid Mahmood MP | Lab | SOC |
| Mr Mark Oaten | LD | ALDE |
| Mr Paul Rowen | LD | ALDE |
| Mrs Betty Williams | Lab | SOC |
There are five political groups to which members of the Assembly may be affiliated: the European Democrats Group (EDG); the Socialist Group (SOC); the Group of the Unified European Left (UEL); the Group of the European Peoples' Party (EPP); and the Alliance of Liberals and Democrats for Europes (ALDE).