Friedrich Harms (24 October 1819, in Kiel – 5 April 1880, in Berlin) was a German realist philosopher, much influenced by Fichte.
He studied philosophy at the University of Kiel as a pupil of Heinrich Moritz Chalybäus.
In 1842 he obtained his habilitation for philosophy at Kiel, where he later became an associate professor (1848; a full professor in 1858).
In 1867 he relocated to the University of Berlin as a professor of philosophy.