Johann Karl Eduard Buschmann (14 February 1805 in Magdeburg – 21 April 1880 in Berlin) was a German philologist.
His research in comparative philology was directed chiefly toward the dialects of Malaysia and Polynesia and those of Central and Northwestern America.
In Germany, he settled in Berlin where he was introduced by Bopp to Wilhelm von Humboldt, whom he assisted from 1829 to 1835 in the preparation of his work on the Kavi language in Java.
After Humboldt's death in 1835, Buschmann was the sole author of the third volume, which contained a comparative grammar of the South Sea and Malay languages.
In addition to Aperçu, he wrote: He edited the writings of Moses Mendelssohn (7 vols., 1843-1845) and the Fremdwörterbuch of Christian August Heynes (Dictionary of foreign words; 9th ed.