Friedrich Wilhelm Schirrmacher (28 April 1824 in Danzig – 19 June 1904 in Rostock) was a German historian.
He completed doctoral studies under Leopold von Ranke in 1848 and passed the state teacher's examination in 1849.
Beginning in 1863 Schirrmacher worked as a history professor at the Royal Liegnitz Ritter Akademie (knight academy) in Silesia.
While in Liegnitz he began publishing his multi-volume work on Kaiser Friedrich II, for which he was awarded the Wedekind Foundation prize from the University of Göttingen.
In Reformation research he gained recognition for discovering and publishing the records and minutes of the Religious Colloquium of Marburg.