Kloster is the German and Scandinavian word for monastery.

It may also refer to:

Places Kloster, Styria Kloster, Denmark Kloster, Sweden Klošter, settlement in Slovenia

People Asbjørn Kloster (1823–1876), Norwegian educator and social reformer Knut Kloster (1929–2020), Norwegian shipping magnate; grandson of Lauritz Kristin Kloster Aasen (born 1961), Norwegian Olympics official, horse breeder, and lawyer Lauritz Kloster (1870–1952), Norwegian shipping magnate; grandfather of Knut Line Kloster (born 1990), Norwegian track and field athlete Martin Alexander Kloster-Jensen (1917–2011), Norwegian linguist Robert Kloster (1905–1979), Norwegian museum director and art historian Uriel Ramírez Kloster (born 1999), Argentine footballer

Other Das Kloster, a collection of magical and occult texts compiled by Johann Scheible

See also Klosters Closter (disambiguation)