Höfn or Höfn í Hornafirði (pronounced "Hup") is an Icelandic fishing town in the south-eastern part of the country.

As of 2011, the population of the town was 1,641. This harbour town, the second largest in the south-eastern part of Iceland, gives scenic views of Vatnajökull (the largest ice cap in Europe by volume). The community is also known as Hornafjarðarbær.