Ferdinand Bonaventura Anton von Harrach zu Rohrau und Thannhausen was an Austrian statesman, diplomat, Knight of the Order of the Golden Fleece and Governor of Milan. To distinguish him from his grandfather of the same name, he is referred to in contemporary sources as Ferdinand Bonaventura II.
- Occupation
- diplomat, politician, entrepreneur
- Position held
- Governor of Milan, Member of the Landtag of Lower Austria
- Born
- April 11, 1708
- Died
- January 28, 1778