Johann Philipp Breyne FRS (9 August 1680, Danzig (Gdańsk), Royal Prussia (a fief of the Crown of Poland) – 12 December 1764, Danzig, Royal Prussia), son of Jacob Breyne (1637–1697), was a German-Polish botanist, palaeontologist, zoologist and entomologist. He is best known for his work on the Polish cochineal (Porphyrophora polonica), an insect formerly used in production of red dye. Proposed by Hans Sloane, he was elected, on 21 April 1703, a Fellow of the Royal Society. He was also a member of the German Academy of Sciences Leopoldina (after 1715) and the Societas Litteraria (after 1720)