Mr Harm Evert WAALKENS Netherlands Joined in 2006, left in 2010
Lord Donald WADE United Kingdom Joined in 1951, left in 1970
Mr Johann David WADEPHUL Germany EPP/CD Joined in 2010, left in 2025
Lord WALLACE OF COSLANY United Kingdom Joined in 1975, left in 1977
Mr Sinuhe WALLINHEIMO Finland EPP/CD Joined in 2015, left in 2019
Mr Hansjörg WALTER Switzerland ALDE Joined in 2008, left in 2012
Mr Robert WALTER United Kingdom EC Joined in 2001, left in 2015
Mr Dennis WALTERS United Kingdom Joined in 1970, left in 1972
Mr Marco WANDERWITZ Germany EPP/CD Joined in 2022, left in 2022
Mr Jörgen WARBORN Sweden EPP/CD Joined in 2019, left in 2019
Mr Sjoerd WARMERDAM Netherlands ALDE Joined in 2023, left in 2024
Mr Kenneth WARREN United Kingdom Joined in 1973, left in 1980
Mr Sylvain WASERMAN France ALDE Joined in 2017, left in 2020
Dame Angela WATKINSON United Kingdom EC Joined in 2005, left in 2015
Mr John WATKINSON United Kingdom Joined in 1976, left in 1979
Mr Tom WATSON United Kingdom SOC Joined in 2014, left in 2015
Mr David WEBSTER United Kingdom Joined in 1963, left in 1967
Mr Karl-Georg WELLMANN Germany EPP/CD Joined in 2010, left in 2018
Mr Ymenus Van der WERFF Netherlands Joined in 1972, left in 1989
Ms Anna-Maria Van der WERF-TERPSTRA Netherlands Joined in 1977, left in 1987
Ms Majléne WESTERLUND PANKE Sweden Joined in 2003, left in 2007
Lord James WHARTON United Kingdom EC/DA Joined in 2022, left in 2024
Ms Heather WHEELER United Kingdom EC/DA Joined in 2024, left in 2024
Mr Phillip WHITEHEAD United Kingdom Joined in 1975, left in 1980
Mr William WHITELEY United Kingdom Joined in 1949, left in 1950
Mr Martin WHITFIELD United Kingdom SOC Joined in 2017, left in 2020
Mr William WHITLOCK United Kingdom Joined in 1970, left in 1972
Mr Andrzej WIECZORKIEWICZ Poland Joined in 1989, left in 1992
Ms Elly van WIJK Netherlands EPP/CD Joined in 2024, left in 2026
Mr Jeroen van WIJNGAARDEN Netherlands ALDE Joined in 2022, left in 2023
Baroness Deborah WILCOX United Kingdom SOC Joined in 2024, left in 2025
Baroness Judith WILCOX United Kingdom EC Joined in 2013, left in 2015
Mr Geert WILDERS Netherlands ECPA Joined in 2020, left in 2026
Mr William WILKINS United Kingdom Joined in 1957, left in 1959
Mr John WILKINSON United Kingdom Joined in 1979, left in 2005