Katten was a 20-ton yacht (Danish: jagt) of the Dano-Norwegian navy. It was purchased from Scotland in 1605 and was probably only armed with a few guns. The name is Danish for "Cat"; it was also later known as the Grønlandiske Kat ("Greenland Cat"). The ship was considered fast and nimble and could be used further inland than larger vessels. It participated in Mogens Ulfeld's fleet in 1610.