twˈɛntisˈɪks nˈæʃənəl tˈiːmz, ˈiːtʃ ɛksˈɛpt ðə dᵻfˈɛndɪŋ tʃˈæmpiən nˈeɪʃən stˈɑːɹɾɪŋ fɹʌm wˈʌn ʌv fˈoːɹ kwˈɔlᵻfˌaɪɪŋ zˈoʊnz ˈeɪʒə, ˌɔːstɹɐlˈeɪʒə, jˈʊɹɹəp, ænd pˈæn ɐmˈɛɹɪkə, vˈaɪd fɚðə tˈɑːməs kˈʌp dˈʊɹɹɪŋ ðə nˈaɪntiːnhˈʌndɹɪd sˈɪksti θɹˈiː dˈæʃ nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈoːɹ bˈædmɪntən sˈiːzən.
Twenty-six national teams, each (except the defending champion nation) starting from one of four qualifying zones (Asia, Australasia, Europe, and Pan America), vied for the Thomas Cup during the 1963-1964 badminton season.