nɐθˈænjəl pˈɛfɚ; dʒˈuːn θˈɜːɾi, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd nˈaɪnti ɪn nˈuː jˈɔːɹk sˈɪɾi ˈeɪpɹəl twˈɛlv, nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈoːɹ wʌz ɐn ɐmˈɛɹɪkən ɹᵻsˈɜːtʃɚɹ ˌɔn ˈiːst ˈeɪʒən ˈɪʃuːz.
Nathaniel Peffer (; June 30, 1890 in New York City – April 12, 1964) was an American researcher on East Asian issues.