German botanist and university teacher (1813-1859).
Otto Sendtner (27 June 1813 – 21 April 1859) was a German botanist and phytogeographer born in Munich. He received his education at the University of Munich, where he was a student of Karl Friedrich Schimper (1803–1867). Afterwards he served as a private secretary to a Silesian nobleman, and during his spare time performed studies of cryptogramic flora of the Sudetenland. In 1841 he was appointed curator of the Leuchtenbergsche Naturalienkabinett in Eichstätt. Two years later he accompanied Mutius von Tommasini (1794–1879) on a botanical excursion through Istria and Tyrol, and in 1847 conducte