وكالة الأمم المتحدة لإغاثة وتشغيل اللاجئين الفلسطينيين
John Herbert Davis (October 5, 1904 – February 28, 1988) was an American academic and diplomat, best known in his early career for his work in agribusiness (a term he helped coin), and in his later career for heading the United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA).