The Griffies-Williams Baronetcy, of Llwyny Wormwood in the County of Carmarthen, was a title in the Baronetage of the United Kingdom. It was created on 22 May 1815 for George Griffies-Williams. Born George Griffies, he assumed by Royal sign manual the additional surname of Williams in 1785. The title became extinct on the death of the third Baronet in 1877.

The family seat was Llwynywermod

Llwynywermod

Llwynywermod, , also known as Llwynywormwood, is an estate owned by the Duchy of Cornwall, in the Brecon Beacons National Park in Wales.The estate is near the village of Myddfai, Llandovery, Carmarthenshire; the Duchy completed its purchase of the property in March 2007...

, near Myddfai

Myddfai

Myddfai is a small village and community in Carmarthenshire, Wales. It is situated south of Llandovery in the Brecon Beacons, and has a population of 415.-Lady of the Lake Legend:...

, Llandovery

Llandovery

Llandovery is a market town in Carmarthenshire, Wales, lying on the River Tywi and the A40 road.The town is served by Llandovery railway station, where there is a park and ride to Llanelli and Shrewsbury via the Heart of Wales Line...

, Carmarthenshire

Carmarthenshire

Carmarthenshire is a unitary authority in the south west of Wales and one of thirteen historic counties. It is the 3rd largest in Wales. Its three largest towns are Llanelli, Carmarthen and Ammanford...

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Griffies-Williams Baronets, of Llwyny Wormwood (1815)

• Sir George Griffies-Williams, 1st Baronet (c. 1759-1843)
• Sir Erasmus Henry Griffies-Williams, 2nd Baronet (1794-1870)
• Sir Watkin Lewes Griffies-Williams, 3rd Baronet (c. 1800-1877)