Alexander Kølpin (7 July 1731 - 20 January 1801) was a German-born Danish surgeon.
Kølpin was born on 7 July 1831 in Uetersen, Duchy of Holstein, the son of headmaster of the Abbey School Friedrich Christopher Kølpin and Catharina Margaretha née Evers.
[2] Kølpin was also councilor of justice and bore the prestigious title of court surgeon.
He was succeeded as court surgeon by Frederik Christian Winsløw.
He was the bequeathed his extensive book collection to the Rotal Academy of Surgery from where it was later transferred to Copenhagen University Library.