Overgaden Oven Vamdet 20 is a canal house overlooking Christianshavn Canal in the Christianshavn neighborhood of central Copenhagen, Denmark. Built for a former ship captain in 1802, it stands four storeys tall and just three bays wide. It was listed in the Danish registry of protected buildings and places inn 1918. Notable former residents include the zoologist Jørgen Matthias Christian Schiødte.