Refferendwm dros sefydlu Cynulliad Cenedlaethol

Refferendwm 18 Medi 1997 ar sefydlu'r Cynulliad Cenedlaethol, sef Senedd Cymru erbyn hyn.

• Yr wyf yn cytuno y dylid cael Cynulliad Cymreig / I agree that there should be a Welsh Assembly

neu/or

• Nid wyf yn cytuno y dylid cael Cynulliad Cymreig. I do not agree that there should be a Welsh Assembly.

Canlyniadau

Awdurdod Lleol	Etholaeth	% bleidleisiodd	Cytuno	%	Anghytuno	%	Difethwyd
Abertawe	174,725	47.1	42,789	52.0	39,561	48.0	351
Blaenau Gwent	55,089	49.3	15,237	56.1	11,928	43.9	147
Bro Morgannwg	89,111	54.3	17,776	36.7	30,613	63.3	149
Castell-nedd a Phort Talbot	106,333	51.9	36,730	66.5	18,463	33.5	246
Caerdydd	228,571	46.9	47,527	44.4	59,589	55.6	407
Caerffili	129,060	49.3	34,830	54.7	28,841	45.3	256
Casnewydd	94,094	45.9	16,172	37.4	27,017	62.6	146
Ceredigion	54,440	56.8	18,304	59.2	12,614	40.8	185
Conwy	87,231	51.5	18,369	40.9	26,521	59.1	130
Gwynedd	92,520	59.8	35,425	64.1	19,859	35.9	183
Merthyr Tudful	44,107	49.5	12,707	58.2	9,121	41.8	122
Pen-y-bont ar Ogwr	100,400	50.6	27,632	54.4	23,172	45.6	249
Powys	96,107	56.2	23,038	42.7	30,966	57.3	265
Rhondda Cynon Tâf	175,639	49.9	51,201	58.5	36,362	41.5	137
Sir Ddinbych	70,410	49.7	14,271	40.8	20,732	59.2	99
Sir Fynwy	65,309	50.5	10,592	32.1	22,403	67.9	116
Sir y Fflint	113,181	41.0	17,746	38.2	28,707	61.8	118
Sir Gaerfyrddin	133,467	56.4	49,115	65.3	26,119	34.7	289
Sir Benfro	88,720	52.6	19,979	42.8	26,712	57.2	156
Torfaen	69,505	45.5	15,756	49.8	15,854	50.2	90
Wrecsam	96,787	42.4	18,574	45.3	22,449	54.7	76
Ynys Môn	54,044	56.9	15,649	50.9	15,095	49.1	86
Cyfanswm:	2,218,850	50.1	559,419	50.3	552,698	49.7	4,003