Rudolf Kner (24 August 1810 – 27 October 1869) was an Austrian zoologist and ichthyologist.
Kner was born in Linz. He studied medicine to completion and then worked at the Kaiserlichen Hof-Naturalienkabinett (now Naturhistorisches Museum Wien) in Vienna, where he worked with Johann Jakob Heckel, among others. In 1841, he became professor for natural science at Lviv University. He returned to Vienna as professor of zoology (November 16, 1849). His primary field of study was ichthyology, with interests in paleontology and geology.
Kner died in Vienna.
- Leitfaden zum Studium der Geologie, Vienna, 1851, 2nd edition 1855.
- Lehrbuch der Zoologie, Vienna, 1849, 2nd edition 1855, 3rd edition 1862.
- Die Süßwasserfische der österreichischen Monarchie, Leipzig, 1858 together with Heckel.
- Betrachtungen über die Ganoiden, als natürliche Ordnung, in: Sitzungsberichte der kaiserlichen Akademie der Wissenschaften [Vienna], 54 (1862), p. 519-536.