Margrethe Pape (1620–1684) was a Danish royal mistress.

She was the mistress of King Frederick III of Denmark and the mother of Ulrik Frederik Gyldenløve.

Margrethe Pape became the lover of Frederick of Denmark prior to his marriage and succession to the throne. She married the official, amtsforvalter (county administrator) of Segeberg and etatsråd Daniel Hausmann (d. 1670).

In 1683, Christian V of Denmark granted her the title Baroness of Løvendal.