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Orville Johnson (Cameron Wiscounsin, 23 Juni 1915) adalah anggota direktur Exceptional Childern dan tokoh psikologi. Penelitiannya dipusatkan pada ciri-ciri psikologis dari anak-anak yang terbelakang mental, dan bagaimana klasifikasi atau panggilan keseharian itu bisa mempengaruhi mereka. Beberapa karya penting Johnson meliputi Educating the Retarded Child, Educating of Exceptional Childern and Youth, dan Learning performance of Retarded and Normal Children.[1]
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