Richard de Clare, 3rd Earl of Hertford (c. 1153–1217), feudal baron of Clare[1] in Suffolk, and lord of Tonbridge in Kent and of Cardigan in Wales, was a powerful Anglo-Norman nobleman with vast landholdings in England and Wales.

He was also present at the homage of King William of Scotland as English Earl of Huntingdon at Lincoln.

He played a leading part in the negotiations for Magna Carta, being one of the twenty five sureties.

In 1215, his lands in counties Cambridge, Norfolk, Suffolk and Essex were granted to Robert de Betun.

His coat of arms was: Or, three chevronels gules,[citation needed] adopted at the start of the age of heraldry c.1200-1215, and certainly borne by his son the Earl of Gloucester.