John Clayton Adams or J. Clayton Adams (26 January 1840 – 20 June 1906) was an English  landscape artist.
dʒˈɑːn klˈeɪtən ˈædəmz ɔːɹ dʒˈeɪ. klˈeɪtən ˈædəmz twˈɛnti sˈɪks dʒˈænjuːˌɛɹi wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈoːɹɾi twˈɛnti dʒˈuːn nˈaɪntiːnhˈʌndɹɪd sˈɪks wʌz ɐn ˈɪŋɡlɪʃ lˈændskeɪp ˈɑːɹɾɪst.