Glehn
Introduction '''Glehn''' may refer to:
Geography * Glehn (Mechernich), a district of Mechernich, Euskirchen, North Rhine-Westphalia, Germany* Glehn (Korschenbroich), North Rhine-Westphalia, Germany* Glehn Castle, castle of Nikolai von Glehn in Vana-Mustamäe, Nõmme, Tallinn, Estonia
Other * De Glehn, a compound steam locomotive system named after Alfred de Glehn* Glehn's spruce, (''Picea glehnii''), a species of conifer named after Peter von Glehn* ''Glehnia'',  a monotypic genus in the carrot family Apiaceae named after Peter von Glehn
People with the surname * Alfred de Glehn (1848–1936), French railroad engineer; brother of Louise Creighton, uncle of Oswald von Glehn and Wilfred de Glehn * Jane Emmet de Glehn (1873–1961), American figure and portrait painter; wife of Wilfrid de Glehn* Louise von Glehn (1850–1936), maiden name of British historian Louise Creighton* Nikolai von Glehn (1841–1923), Baltic German estate owner, founder of the town of Nõmme* Peter von Glehn (1835–1876), Russian botanist* Wilfrid de Glehn (1870–1951), British impressionist painter
See also * Geleen* Cleen