Franz Anton Wilhelm Bergenthal colloquially Wilhelm Bergenthal (4 February 1805 - 28 April 1893) was a German industrialist and politician.

In 1834, he formed Bergenthal & Gabriel, a predecessor of Siepmann in Warstein.

[1] Additionally he served as president of IHK Arnsberg from 1878 to 1884.

[2] Bergenthal unsuccessfully sought election to the Reichstag (North German Confederation) in March 1867 but lost election against Peter Reichensperger.

[3] He campaigned for seats in the 1878 German federal election and in a by-election to the Prussian House of Representatives in 1884, both times unsuccessfully.