There have been several people named Richard de Clare, most of them descended from Richard Fitz Gilbert, Earl of Clare, Lord of Bienfaite, Orbec and Tonbridge, (1035-1090), who took the title Earl of Clare from lands granted to him by William the Conqueror.
- Richard Fitz Richard de Clare, Abbot of Ely, (1062-1107), son.
- Richard Fitz Gilbert de Clare, 1st Earl of Hertford, (1094-1136), grandson.
- Richard Fitz Gilbert de Clare "Strongbow", 2nd Earl of Pembroke, (1130-1176), great grandson.
- Richard de Clare, 4th Earl of Hertford, (1162-1218), great great grandson.
- Richard de Clare, 6th Earl of Hertford, (1222-1262)
- Richard de Clare, Steward of Forest of Essex, (1278-1318)