An election to Preseli Pembrokeshire District Council was held in May 1991.^[1] The Independent councilors retained the vast majority of seats.^[2] It was preceded by the 1987 election and followed, after local government re-organization, by the 1995 Pembrokeshire County Council election. On the same day there were elections to the other district local authorities and community councils in Wales.

There were no boundary changes at this election.

Brawdy 1991

Party		Candidate	Votes	%	±%
	Independent	William Leslie Raymond*	unopposed
	Independent hold		Swing

No election was held as the sitting member, Jack Lewis, was unopposed; however, he died before polling day.

Camrose 1991

Party		Candidate	Votes	%	±%
	Independent	James Desmond Edward Codd*	unopposed
	Independent hold		Swing

Castle 1991

Party		Candidate	Votes	%	±%
	Independent	Beryl Mary Thomas-Cleaver	unopposed
	Independent hold		Swing

Cilgerran 1991

Party		Candidate	Votes	%	±%
	Independent	Mrs M.C.A. Sullivan*	515	73.3
	Labour	M.F. McNamara	188	26.7
	Independent hold		Swing

Clydau 1991

Party		Candidate	Votes	%	±%
	Independent	W.S. Rees*	unopposed
	Independent hold		Swing

Crymych 1991

Party		Candidate	Votes	%	±%
	Independent	John Lynn Davies*	unopposed
	Independent hold		Swing

Dinas Cross 1991

Party		Candidate	Votes	%	±%
	Independent	Alun John Bringley Griffiths*'	unopposed
	Independent hold		Swing

Fishguard 1991

Party		Candidate	Votes	%	±%
	Labour	Alexander Frederick Allison	unopposed
	Independent	Delwyn Davies*	unopposed
	Labour gain from Independent		Swing
	Independent hold		Swing

Garth 1991

Party		Candidate	Votes	%	±%
	Independent	Thomas Peter Lewis*	unopposed
	Independent	Peter Alan Stock*	unopposed
	Independent	Donald Richard Twigg	unopposed
	Independent hold		Swing
	Independent hold		Swing
	Independent hold		Swing

Goodwick 1991

Party		Candidate	Votes	%	±%
	Independent	William Lloyd Evans*	unopposed
	Independent hold		Swing

Hakin 1991

Party		Candidate	Votes	%	±%
	Independent	Eric Ronald Harries*	1,414
	Independent	Arthur George Edwards	794
	Independent	Basil Ralph Woodruff*	774
	Labour	Alun Emanuel Byrne*	767
	Independent	J. Lee	694
	Independent	G.N.W. Max	688
	Independent	E. Russell	682
	Independent
	Independent hold		Swing
	Independent gain from Labour		Swing
	Independent hold		Swing

Haverfordwest Prendergast 1991

Party		Candidate	Votes	%	±%
	Independent	J.G. Nicholas	358
	Independent	M. Davies	346
	Independent hold		Swing

Haverfordwest Priory 1991

Party		Candidate	Votes	%	±%
	Independent	B.S. Hearne*	unopposed
	Independent hold		Swing

Johnston 1991

Party		Candidate	Votes	%	±%
	Independent	George Charles Grey*	490
	Independent	B. Green	203
	Independent hold		Swing

Letterston 1991

Party		Candidate	Votes	%	±%
	Independent	Frank L. Sandall*	591
	Liberal Democrats	Michael Ian Warden	212
	Independent hold		Swing

Llangwm 1991

Party		Candidate	Votes	%	±%
	Independent	William Henry Hitchings*	652
	Independent	G.R. Stone	110
	Independent hold		Swing

Maenclochog 1991

Party		Candidate	Votes	%	±%
	Independent	Mrs N.B. Drew*	unopposed
	Independent hold		Swing

Affie Webb lost his seat after the drawing of lots.

Merlin's Bridge 1991

Party		Candidate	Votes	%	±%
	Independent	Cyril George Maurice Hughes	399
	Independent	A.J. Webb*	399
	Independent hold		Swing

Milford Haven, Central and East 1991

Party		Candidate	Votes	%	±%
	Liberal Democrats	Thomas Hutton Sinclair*	942
	Conservative	Stanley Thomas Hudson*	638
	Labour	W.J. Morgan	522
	Independent	W.J. Owston	514
	Independent	W.J.K. Williams	499
	Independent	K. Watkins	471
	Independent	Irwin Edwards	273
	Liberal Democrats hold		Swing
	Conservative hold		Swing
	Labour gain from Independent		Swing

An Independent had gained a seat from the Liberal Democrats at a by-election.

Milford Haven, North and West 1991

Party		Candidate	Votes	%	±%
	Independent	Mike Stoddart	838
	Independent	Edward George Setterfield*	655
	Independent	Mrs T.E. Howlin	514
	Independent	David John Adams	508
	Independent	M. Williams	263
	Independent hold		Swing
	Independent hold		Swing

Newport 1991

Party		Candidate	Votes	%	±%
	Independent	Elwyn George John	299
	Independent	A.G. Rees	255
Majority
	Independent hold		Swing

Neyland East 1991

Party		Candidate	Votes	%	±%
	Labour	P.J. Murphy	unopposed
	Labour gain from Independent		Swing

Neyland West 1991

Party		Candidate	Votes	%	±%
	Independent	Patricia Ann Gilbert	304
	Independent	J.L.Garrett*	287
	Independent hold		Swing

Rudbaxton 1991

Party		Candidate	Votes	%	±%
	Independent	David Edwin Pritchard*	unopposed
	Independent hold		Swing

St David's 1991

Party		Candidate	Votes	%	±%
	Independent	J.J. Richards	555
	Independent	D. Phillips	471
	Independent hold		Swing

No election was held as no nominations were submitted.

St Ishmaels 1991

Party		Candidate	Votes	%	±%
	Independent	Mrs Y.C. Evans*	unopposed
	Independent hold		Swing

Scleddau 1991

Party		Candidate	Votes	%	±%
	Independent	Alwyn Cadwallader Luke*	388
	Liberal Democrats	R.J. Grosvenor	125
	Independent hold		Swing

Solva 1991

Party		Candidate	Votes	%	±%
	Independent	John Gordon Cawood*	775
	Independent	W.W. Bartlett	84
	Independent hold		Swing

The Havens 1991

Party		Candidate	Votes	%	±%
	Independent	K.W.J. Rogers*	unopposed
	Independent hold		Swing

Wiston 1991

Party		Candidate	Votes	%	±%
	Independent	Peter Edmund Masterson	319
	Independent	P.E. Lewis	284
	Independent	A. Vaughan	170
	Independent hold		Swing

A by-election was held in the Burton ward following the death of the sitting member shortly before the 1991 election.^[2]

Burton by-election 1991

Party		Candidate	Votes	%	±%
	Independent	Lewis James Lloyd	347	75.8
	Independent	N. Hardacre	71	15.5
	Independent	J. Stone	40	8.7
	Independent hold		Swing

A by-election was held in the St Dogmaels ward after no nominations were received for the regular election.^[2]

St Dogmaels by-election 1991

Party		Candidate	Votes	%	±%
	Independent	Rev Emyr Huw Jones	unopposed
	Independent hold		Swing