Ludvig Stoud Platou (28 March 1778 – 30 November 1833) was a Danish-Norwegian educator, historical and geographical writer, politician and State Secretary.
He was born in Slagelse, Denmark as a son of curate Friderich Christian Platou (1749–1815) and his wife Cathrine Stoud (1751–1824).
While working at Christiania Cathedral School he published the books Historisk Udsigt over Norges Skiebne i den syvaarige nordiske Krig in 1808, Geographie over Fædrelandene Danmark og Norge, for Ungdommen in 1809, Haandbog i Geographien, til Brug ved Skole-Underviisning in two volumes in 1809 and 1812, and Udtog af Geographien for Begyndere in 1810.
The textbook Udtog af Geographien was reissued fifteen times in Norway (the last in 1862, by his son Carl Nicolai), and published in Sweden in 1832, Iceland in 1843 and Greenland in 1848.
[6] By that time he had served as a Parliament of Norway member, representing the constituency Akershus Amt for the year 1824.
The two-volume work was called Den Norske Rigs-Forsamlings Forhandlinger paa Eidsvold i Aaret 1814, and was published together with Georg Sverdrup and Christopher Frimann Omsen.