Gudenus is the name of a prominent German noble family, originating in Hesse, Germany, whose ancestry can be traced back to the 16th century. The family was divided into two lines. The first line, which held the title of Count, granted them on 22 October 1907, settled in Austria, while the other line of the family, which held the title of Baron, granted them on 15 April 1756, settled in Styria and Hungary.