Otto Andrup, Henrik Otto Ludvig Lauritz Andrup (8 October 1883 - 24 August 1953) was a Danish literary historian and cultural administrator.
He served as director of the Museum of National History at Frederiksborg Castle from 1931.
He is also remembered for rediscovering the original manuscript for Leonora Christine's Jammers Minde.
Andrup was born on 8 October 1883 in Randers, the son of pharmacist Otto William Andrup (1853–1909) and Frederikke Mariane Louise Levring (1855–1902).
[1] Andrup was created a Knight of the Order of the Dannebrog in 1926.