Popper menangaké akèh bebungah lan pakurmatan ing lapangané, kalebu Lippincott Award saka American Political Science Association, Sonning Prize, Otto Hahn Peace Medal of the United Nations Association of Germany in Berlin lan beasiswa ing Royal Society, British Academy, London School of Economics, King's College London, Darwin College, Cambridge, Austrian Academy of Sciences and Charles University, Prague, Austria. Popper dianugerahi Grand Decoration of Honour in Gold for Services to the Republic of Austria in 1986, and the Federal Republic of Germany with Grand Cross and Sash of the Order of Merit, and the peace class of the Order le Mérite. Popper nampa Penghargaan Laureate Humanist saka Akademi Internasional Humanisme. Dhèwèké dipilih dadi ksatria dening Ratu Elizabeth II ing taun 1965, lan dipilih dadi Fellow saka Royal Humanist Society ing taun 1976. Popper dianugerahi Bebungah Nobel Perdamaian ing Royal Society, British Academy, London School of Economics, King's College London, Darwin College, Cambridge, Austrian Academy of Sciences lan Charles University, Prague, Austria (1986). Nalika taun 1989, dhèwèké nampa Penghargaan Nobel Perdamaian Internasional kanggo karya-karyané marang Republik Austria ing taun 1986,
taun 1965