Sundby
# Sundby

Sundby may refer to:

## 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
