Mr John BLACKBURN United Kingdom Joined in 1983, left in 1984
Mr Iosif Veniamin BLAGA Romania EPP/CD Joined in 2009, left in 2013
Mr Marko BLAGOJEVIĆ Serbia EPP/CD Joined in 2016, left in 2017
Mr Ľuboš BLAHA Slovak Republic SOC Joined in 2012, left in 2021
Mr Pieter A. BLAISSE Netherlands Joined in 1953, left in 1954
Mr Philippe BLANCHART Belgium SOC Joined in 2013, left in 2019
Mr Arthur BLENKINSOP United Kingdom Joined in 1966, left in 1970
Ms Maryvonne BLONDIN France SOC Joined in 2008, left in 2020
Mr Vladimir BLOTSKIY Russian Federation* UEL Joined in 2019, left in 2022
Mr Erik Bernhard BLUMENFELD Germany Joined in 1966, left in 1974
Mr Harold BOARDMAN United Kingdom Joined in 1959, left in 1960
Ms Brigitte BOCCONE-PAGES Monaco ALDE Joined in 2018, left in 2023
Mr Jean-Marie BOCKEL France EPP/CD Joined in 1999, left in 2015
Mr Fernand BODEN Luxembourg EPP/CD Joined in 2009, left in 2014
Ms Margreet De BOER Netherlands SOC Joined in 2019, left in 2023
Mr Cornelis BOERTIEN Netherlands Joined in 1973, left in 1975
Mr August E. J. BOGAERTS Belgium Joined in 1983, left in 1987
Ms Camelia-Margareta BOGDĂNICI Romania SOC Joined in 2015, left in 2017
Mr Krasimir BOGDANOV Bulgaria EC/DA Joined in 2017, left in 2021
Mr Stefan BOGOEV The former Yugoslav Republic of Macedonia SOC Joined in 2015, left in 2018
Mr Oleg BOGOMOLOV Russian Federation* Joined in 1996, left in 2002
Mr Oleg T. BOGOMOLOV Soviet Union Joined in 1989, left in 1991
Mr Mladen BOJANIĆ Montenegro ALDE Joined in 2013, left in 2015
Mr Božidar BOJOVIC Serbia and Montenegro Joined in 2003, left in 2006
Ms Tinatin BOKUCHAVA Georgia EPP/CD Joined in 2012, left in 2015
Mr Nicholas BOLES United Kingdom EDG Joined in 2010, left in 2012
Mr Harry Van BOMMEL Netherlands Joined in 2003, left in 2004
Ms Olena BONDARENKO Ukraine EPP/CD Joined in 2006, left in 2013
Mr Ferdinand H.P. de BONDT Belgium Joined in 1982, left in 1992
Mr Francesc BONET CASAS Andorra Joined in 1997, left in 2001
Ms Sílvia Eloïsa BONET Andorra SOC Joined in 2011, left in 2017
Mr Mark BONHAM-CARTER United Kingdom Joined in 1959, left in 1960