Iosif Iosifovich Kosonogov (31.03.1866—22.03.1922) was a Soviet physicist and an academician of the Academy of Sciences of the Ukrainian SSR (1922). He was born in the stanitsa of Kamenskaya (now the town of Kamensk-Shakhtinsky in the Rostov region). He graduated from Kiev University (1889), where he was kept on as an assistant in the physics department. From 1903 he was professor at the university, and he was head of the physics laboratory and of the chair of physical geography.
His work concerned the study of electrical phenomena, the physics of dielectrics, optics, meteorology, physical geography and the teaching of physics. He studied the phenomena near the electrodes in electrolysis. He was the author of a number of textbooks and popular-science books.