James Harold Wilson, Baron Wilson of Rievaulx, KG, OBE, FRS, FSS, PC (11 mis Meurth 1916 – 24 mis Me 1995) o politiger Parti Lavur Predennek, a sodha avel Pennmenyster Ruwvaneth Unys diwweyth; a 1964-70 ha 1974-76.

Harold Wilson
Pennmenyster an Ruwvaneth Unys
Sodhans

16 Hedra 1964 - 19 Metheven 1970 (1a)
4 Meurth 1974 – 5 Ebryl 1976 (2a)

Myghtern(es) Elizabeth II
Parti Lavur
Bleynys gans Alec Douglas-Home (1a)

Edward Heath (2a)

Sewys gans Edward Heath (1a)

James Callaghan (2a)