Segner

Segner may refer to:


 * 28878 Segner (2000 KL41), a Main-belt Asteroid discovered in 2000
 * Johann Andreas Segner (1704–1777), Carpatho-German mathematician, physicist, and physician
 * Segner (crater), lunar crater located northeast of the giant walled plain Bailly
 * Segner wheel, type of water turbine invented by Ján Andrej Segner in the 18th century