Julius Johannes Ludovicus Ritter von Payer (2 September 1841, – 29 August 1915), ennobled Ritter von Payer in 1876, was an officer of the Austro-Hungarian Army, mountaineer, arctic explorer, cartographer, painter, and professor at the Theresian Military Academy. He is chiefly known for the Austro-Hungarian North Pole expedition in 1872–74 and the discovery of Franz Josef Land.