Carl Friedrich Kotschy (Polish: Karol Fryderyk Kotschy, Karol Koczy, 26 January 1789 – 9 February 1856) was an Austrian Protestant theologian and botanist born in Cieszyn, Poland).
From 1807 to 1810 he studied theology and botany at the University of Leipzig, and afterwards travelled through France and Switzerland.
From 1810 until his death he worked as a minister in Ustroń, a predominantly Polish-speaking town in the Cieszyn Silesian region of Austria.
He was also the author of several religious works, including a revision of the Lutheran catechism (1833) and a book of Biblical stories (1844).
As a botanist, he performed studies of local flora, especially vegetation native to the Silesian Beskids.