sundby
Sundby may refer to:
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Places
=Denmark=
- Sundby, Copenhagen, a district in Copenhagen
- Sundby, Lolland, a satellite town of Nykøbing Falster on Lolland
- Nørresundby, a town on North Jutlandic Island
=Sweden=
- Sundby, Sweden, a locality on Ekerö in Stockholm County
- Sundbyberg Municipality, Sweden
People with the surname
- Martin Johnsrud Sundby, Norwegian cross-country skier
- Ragnhild Sundby (1922–2006), Norwegian zoologist
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