Peter Erasmus Christian Kaalund (19 August 1844 – 4 July 1919; also spelled Kristian or Kålund) was a Danish philologist who specialized in Scandinavian studies.
[1] Kristian Kaalund was born at Søllested on Lolland, Denmark.
Between 1872 and 1874, he made a scientific trip to Iceland to study the country's topography and culture.
He subsequently authored a historical-topographical description of Iceland En historisk-topografisk Beskrivelse af Island i to bind (1877–1882).
He was appointed in 1883 as the main librarian of the Arnamagnæanske håndskriftsamling, the collection of Icelandic manuscripts of Árni Magnússon.