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 Wilfrid 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