Josip Kozarac (March 18, 1858 - August 21, 1906) was a Croatian writer.
Josip Kozarac was born in Vinkovci. He studied forestry management in Vienna and later served as forestry official in Vinkovci.
He wrote stories, plays and novels. In them he showed great ability to portray Slavonian peasants and expressed his displeasure over the decay of Slavonian economy and foreigners taking over Croatian national wealth. His most well-known work is his novel, Mrtvi kapitali.