Móric Ágost (Máté Móric Mihály Ferenc Szerafin Ágost) Count de Benyovszky (20 September 1746 – 23 May 1786) was a Hungarian nobleman of Polish and Hungarian ancestry. He was an explorer, writer, the self-declared King of Madagascar, and a military officer in the French, Polish, Austrian and American armies. He is considered a national hero in Hungary, Slovakia and Poland.