Name
- Courtney, Kathleen D'Olier, DBE2
- Cox, Harold, MP, Editor `Edinburgh Review'2
- Cross, Ronald Hibbert, Baronet2
- Crowdy, Rachel Eleanor, afterwards Thornhill DBE2
- Crowe, Eyre Alexander Barby Wichart, KCMG, of the Foreign Office2
- Currey, MurielInnes?, author?2
- Czechlin, —, Dr of the German Ministry of Foreign Affairs2
- Danckwerts, William Otto Adolph Julius, lawyer, 1853-19142
- Davidson, John Colin Campbell, 1st Viscount Davidson, civil servant and politician, 1889-19702
- Davidson, Randall Thomas, 1st Baron Davidson of Lambeth, Archbishop of Canterbury, 1848-19302
- Davies, David, 1st Baron Davies, politician, 1880-19442
- Dawnay, Alan Geoffrey Charles, army officer and BBC executive, 1888-19382
- Dawson, George Geoffrey, newspaper editor, 1874-19442
- Delevingne, Malcolm, Knight, civil servant, 1868-19502
- Die Zukunft, newspaper, France2
- Docherty, Frank, Press Secretary of the Peace and Empire Congress, fl 19382
- Dodd, William Edward, historian and diplomat, 1869-19402
- Dolivet, Louis, writer, editor, producer and alleged spy, 1908-19892
- Dollfuss, Ruggero, politician and army officer, 1876-19482
- Dormer, Cecil Francis Joseph, KCMG2