Cymru (etholaeth Senedd Ewrop)

Gweler hefyd Cymru (gwahaniaethu).

Etholaeth Cymru oedd yr enw ar yr etholaeth seneddol yn Senedd Ewrop ar gyfer Cymru. Etholodd pedwar Aelod Senedd Ewrop (ASE) gan ddefnyddio dull D'Hondt o gynrychiolaeth gyfrannol rhestr plaid, nes i'r DU adael yr Undeb Ewropeaidd ar 31 Ionawr 2020.

Aelodau Senedd Ewrop

Etholiad	1999 (5ed Senedd)		2004 (6ed Senedd)	2009 (7fed Senedd)		2014 (8fed Senedd)		2019 (9fed Senedd)
ASE Plaid		Jonathan Evans Ceidwadol			Kay Swinburne Ceidwadol				James Wells Plaid Brexit
ASE Plaid		Eluned Morgan Llafur			John Bufton UKIP		Nathan Lee Gill UKIP (tan 2018) Annibynnwr (2018–2019) Plaid Brexit (ar ôl 2019)
ASE Plaid		Glenys Kinnock Llafur			Derek Vaughan Llafur				Jackie Jones Llafur
ASE Plaid		Jill Evans Plaid Cymru
ASE Plaid		Eurig Wyn Plaid Cymru	dilëwyd y sedd

Etholiad Ewropeaidd 1999: Cymru
Plaid		Ymgeisydd	Pleidleisiau	%	±%
	Llafur	Glenys Kinnock, Eluned Morgan Joe Wilson, Gareth Williams, Jane Hutt	199,690 (99,845)	31.9
	Plaid Cymru	Jill Evans, Eurig Wyn Marc Phillips, Susanna Perkins, Owain Llywelyn	185,235 (92,617.5)	29.6
	Ceidwadwyr	Jonathan Evans Chris Butler, Owen John Williams, Robert Buckland, Edmund Hayward	142,631	22.8
	Democratiaid Rhyddfrydol	Roger Roberts, Peter Price, Alistair Cameron, Juliana Hughes, John Dixon	51,283	8.2
	Plaid Annibyniaeth y DU	Dai Rees, Niall Warry, Idris Richard Francis, Alan Barham, David Lloyd	19,702	3.1
	Gwyrdd	Molly Scott Cato, Klaus Armstrong-Braun, Sue Walker, Rachel Kalela, John Matthews	16,146	2.6
	Ceidwadwyr o blaid Ewrop	William Powell, Jennifer Harris, Antonio Fernandes-Vidal, Alan Morris, Christopher Hodgkinson	5,834	0.9
	Llafur Sosialaidd	Elizabeth Screen, Darren Hickery, Stephen Bell, Miriam Bowen, George Tafarides	4,283	0.7
	Deddf Naturiol	David Hughes, Brian Francis, Helen Evans, Andrea Jarman, John Ashforth	1,621	0.3
Y nifer a bleidleisiodd			626,425	29.0

Etholiad Ewropeaidd 2004: Cymru
Plaid		Ymgeisydd	Pleidleisiau	%	±%
	Llafur	Glenys Kinnock Eluned Morgan Gareth Williams, Gwennan Jeremiah	297,810 (148,905)	32.1	+0.2
	Ceidwadwyr	Jonathan Evans Owen Williams, Felicity Elphick, Albert Fox	177,771	19.1	-3.7
	Plaid Cymru	Jill Evans Jon Blackwood, Eilian Williams, Gwenllian Lansdown	159,888	17.2	-12.4
	Plaid Annibyniaeth y DU	David Rowlands, Clive Easton, Elizabeth Phillips, Timothy Jenkins	96,677	10.4	+7.3
	Democratiaid Rhyddfrydol	David John Williams, Alison Goldsworthy, Nicholas Tregoning, Nilmini Priyanga de Silva	96,116	10.3	+2.1
	Gwyrdd	Martyn Shrewsbury, Molly Scott Cato, David Bradney, Dorienne Robinson	32,761	3.6	+1.0
	BNP	John Walker, Pauline Gregory, James Roberts, Mark Stringfellow	27,135	3.0
	Cymru Ymlaen	Ron Davies, Wendy Paintsil, Janet Williams, Graham Jones	17,280	1.9
	Christian Democratic Party	Catherine Smith, Christine West, Joseph Biddulph, Robert Evans	6,821	0.7
	RESPECT The Unity Coalition	Helen Griffin, Huw Williams, Raja Gul Raiz, Taran O'Sullivan	5,427	0.6
Y nifer a bleidleisiodd			928,775	41.9	+12.9

Etholiad Ewropeaidd 2009: Cymru^[1]^[2]
Plaid		Ymgeisydd	Pleidleisiau	%	±%
	Ceidwadwyr	Kay Swinburne Evan Price, Emma Greenow, David Chipp	145,193	21.2	+1.8
	Llafur	Derek Vaughan Lisa Stevens, Rachel Maycock, Leighton Veale	138,852	20.3	-12.2
	Plaid Cymru	Jill Evans Eurig Wyn, Ioan Bellin, Natasha Asghar	126,702	18.5	+1.1
	Plaid Annibyniaeth y DU	John Bufton David Bevan, Kevin Mahoney, David Rowlands	87,585	12.8	+2.3
	Democratiaid Rhyddfrydol	Alan Butt Phillip, Kevin O'Connor, Nick Tregoning, Jackie Radford	73,082	10.7	+0.2
	Gwyrdd	Jake Griffiths, Kay Roney, Ann Were, John Matthews	38,160	5.6	+2.0
	BNP	Ennys Hughes, Laurence Read, Clive Bennett, Kevin Edwards	37,114	5.4	+2.5
	Christian Democratic Party	Jeffrey Green, David Griffiths, Alun Owen, John Harrold	13,037	1.9	+1.9
	Plaid Lafur Sosialaidd	Robert English, Richard Booth, Liz Screen, Judith Sambrook	12,402	1.8	+1.8
	NO2EU – Yes to Democracy	Robert Griffiths, Rob Williams, Laura Picand, Trevor Jones	8,600	1.3	+1.3
	Jury Team	Paul Sabanskis, James Eustace, Neil Morgan, Steven Partridge	3,793	0.6	+0.6
Y nifer a bleidleisiodd			684,520	30.4	-11.0

Etholiad Ewropeaidd 2014: Cymru^[3]
Plaid		Ymgeisydd	Pleidleisiau	%	±%
	Llafur	Derek Vaughan Jayne Bryant, Alex Thomas, Christina Elizabeth Rees	206,332	28.15	+7.86
	Plaid Annibyniaeth y DU	Nathan Lee Gill James Cole, Caroline Yvonne Jones, David John Rowlands	201,983	27.55	+14.76
	Ceidwadwyr	Kay Swinburne Aled Wyn Davies, Dan Boucher, Richard Howard Hopkin	127,742	17.43	-3.79
	Plaid Cymru	Jill Evans Marc Jones, Steven Cornelius, Ioan Bellin	111,864	15.26	-3.25
	Gwyrdd	Pippa Bartolotti, John Matthews, Chris Were, Rozz Cutler	33,275	4.54	-1.04
	Democratiaid Rhyddfrydol	Alec Dauncey, Robert Speht, Jackie Radford, Bruce Roberts	28,930	3.95	-6.73
	BNP	Mike Whitby, Laurence Reid, Jean Griffin, Gary Tumulty	7,655	1.04	-4.38
	Britain First	Paul Anthony Golding, Anthony Clifford Golding, Christine Beryl Smith, Anne Marie Elstone	6,633	0.90	0
	Plaid Lafur Sosialaidd	Andrew Jordan, Kathrine Jones, David Lloyd Jones, Liz Screen	4,459	0.61	-1.2
	NO2EU – Yes to Democracy	Robert David Griffiths, Claire Job, Steven Skelly, Laura Picand	2,803	0.38	-0.87
	Plaid Sosialaidd Prydain Fawr	Brian Johnson, Richard Cheney, Edward Blewitt, Howard Moss	1,384	0.19	0
Y nifer a bleidleisiodd			733,060

Etholiad Ewropeaidd 2019: Cymru
Plaid		Ymgeisydd	Pleidleisiau	%	±%
	Plaid Brexit	Nathan Gill (1) James Wells (3) Gethin James Julie Price	271,404 (135,702)	32.46	+32.46
	Plaid Cymru	Jill Evans (2) Carmen Smith Patrick McGuinness Ioan Bellin	163,928	19.60	+4.34
	Llafur	Jackie Jones (4) Matthew Dorrance Mary Wimbury Mark Whitcott	127,833	15.29	-12.86
	Democratiaid Rhyddfrydol	Sam Bennett Donna Lalek Alistair Cameron Andrew Parkhurst	113,885	13.62	+9.67
	Ceidwadwyr	Daniel Boucher Craig Lawton Fay Jones Tomos Davies	54,587	6.53	-10.90
	Gwyrdd	Anthony Slaughter Ian Chandler Ceri Davies Duncan Rees	52,660	6.30	+1.76
	Plaid Annibyniaeth y DU	Kristian Hicks Keith Edwards Thomas Harrison Robert McNeil-Wilson	27,566	3.30	-24.26
	Change UK	Jon Owen Jones June Davies Matthew Paul Sally Anne Stephenson	24,332	2.91	+2.91
Y nifer a bleidleisiodd			836,195	37.1	+5.6

Y cyn-etholaethau Senedd Ewrop yng Nghymru: