Louis Galesloot (1821–1884) was a Belgian archivist, historian and archaeologist.
[1] His first job was with the civil registry of the city of Brussels, and in 1847 he started working for the Royal Commission for the Publication of Old Laws.
On 21 March 1859 he was appointed head of the third section of the National Archives of Belgium.
[1] He remained in this position until his death, inventorising many of the holdings of judicial and administrative institutions of the pre-1800 Duchy of Brabant.
In 1862–1863 he published the records of the trial of Frans Anneessens in two volumes.