Friedrich Lange (20 March 1849 – 14 May 1927) was a German surgeon and supporter of charitable institutions.
He studied medicine at the Albertus-Universität Königsberg and served as a hospital orderly in the Franco-Prussian War.
In 1900 he returned to Germany and made a large donation to the Palästra Albertina in Königsberg.
In Lonkorrek he founded a library and a Protestant church.
A sports ground was named after him on Samitter Allee near Tragheimer Palve in Königsberg.