Sundström is a Swedish surname, a compound of the Swedish words sund (sound; passage of water) ström (stream and/or stream in water)
Sundström may refer to (all Swedes unless otherwise noted):
Anna Sundström (1785-1871), chemist
Alexander Sundström (born 1987), ice hockey player
Fanny Sundström (1883–1944), politician and women's right activist on Åland Islands, Finland
Henrik Sundström (born 1964), tennis player
Holger Sundström (born 1925), sailor
Joakim Sundström (born 1965), sound editor and musician
Kalle Sundström, Finnish musician
Linus Sundström (born 1990), speedway rider
Niklas Sundström (born 1975), ice hockey player
Patrik Sundström (born 1961), ice hockey player, twin brother of Peter Sundström
Peter Sundström (born 1961), ice hockey player, twin brother of Patrik Sundström
Rebecca Louisa Ferguson Sundström (born 1983), actress
Stefan Sundström (born 1960), singer/songwriter
Tryggve Sundström (1920-1984), bobsledder
