Lord Robert BOOTHBY United Kingdom Joined in 1949, left in 1958
Mr Grigore BORDEIANU Republic of Moldova Joined in 1993, left in 1995
Mr Branislav BORENOVIĆ Bosnia and Herzegovina EPP/CD Joined in 2023
Mr Albert BORG OLIVIER DE PUGET Malta Joined in 1966, left in 1975
Mr Alexandr BORISOV Russian Federation* NR Joined in 2022, left in 2022
Mr Borislav BORISOV Bulgaria NR Joined in 2015, left in 2017
Ms Olga BORZOVA Russian Federation* NR Joined in 2012, left in 2016
Ms Maria Elena BOSCHI Italy ALDE Joined in 2018, left in 2023
Mr Mladen BOSIĆ Bosnia and Herzegovina EPP/CD Joined in 2011
Lord Tim BOSWELL United Kingdom EDG Joined in 2007, left in 2013
Ms Lenelotte von BOTHMER Germany Joined in 1973, left in 1981
Mr Augustin BOTIȘ GRIGUȚĂ Romania Joined in 1993, left in 1997
Mr Arthur BOTTOMLEY United Kingdom Joined in 1952, left in 1954
Mr Peter BOTTOMLEY United Kingdom Joined in 2003, left in 2005
Mr Jean-Michel BOUCHERON France Joined in 1993, left in 1997
Ms Bernadette BOURZAI France SOC Joined in 2012, left in 2014
Ms Marjolaine BOUTIN-SWEET Canada Joined in 2013, left in 2020
Sir Andrew BOWDEN United Kingdom Joined in 1987, left in 1997
Mr Herbert BOWDEN United Kingdom Joined in 1952, left in 1957
Mr Evan Roderick BOWEN United Kingdom Joined in 1955, left in 1955
Sir Edward BOYLE United Kingdom Joined in 1953, left in 1954
Mr Yavor BOZHANKOV Bulgaria SOC Joined in 2018, left in 2022
Mr Dumitru BRAGHIS Republic of Moldova Joined in 2003, left in 2006
Mr Tit-Liviu BRĂILOIU Romania SOC Joined in 2017, left in 2021
Mr Luc Van den BRANDE Belgium EPP/CD Joined in 2001, left in 2009
Mr Agostinho BRANQUINHO Portugal EPP/CD Joined in 2010, left in 2011
Ms Anne BRASSEUR Luxembourg ALDE Joined in 1993, left in 2018