Malmstrom or Malmström is a Swedish, Danish and Finnish surname that comes from the word Malm, which means ore, and Strom, a word for current/stream. It may refer to:
People August Malmström (1829–1901), Swedish academic painter Cecilia Malmström (born 1968), Swedish politician, minister for European Affairs Einar Axel Malmstrom (1907–1954), American Air Force pilot, eponym of Malmstrom Air Force Base Gustaf Malmström (1884–1970), Swedish wrestler Håkan Malmström (born 1977), defender in the Swedish football club Henrik Malmström (born 1984), Swedish ice hockey player Karl Malmström (1875–1938), Swedish diver Louise Malmström (born 1972), Swedish social democratic politician
Other Malmstrom Air Force Base, Montana, USA