Harold Macmillan
| Harold Macmillan | |
| |
| Pennmenyster an Ruwvaneth Unys | |
| Sodhans
10 Genver 1957 - 18 October 1963 | |
| Myghtern(es) | Elizabeth II |
| Parti | Gwithyadorek |
| Bleynys gans | Anthony Eden |
| Sewys gans | Alec Douglas-Home |
Harold Macmillan, OM, PC, FRS (10 mis Hwevrer 1894 – 29 mis Kevardhu 1986) o Pennmenyster Ruwvaneth Unys a 1957 dhe 1963.