| Official Name: | Nyborg |
| Pushpin Map: | Sweden Norrbotten#Sweden |
| Pushpin Label Position: | left |
| Subdivision Type: | Country |
| Subdivision Name: | Sweden |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Kalix Municipality |
| Subdivision Type2: | County |
| Subdivision Name2: | Norrbotten County |
| Subdivision Type1: | Province |
| Subdivision Name1: | Norrbotten |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.70 |
| Population As Of: | 31 December 2010 |
| Population Total: | 833 |
| Population Density Km2: | 491 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 65.7833°N 35°W |
Nyborg (pronounced : Newbury) is a locality situated in Kalix Municipality, Norrbotten County, Sweden with 833 inhabitants in 2010. Their bandy club is called Nyborgs SK.
Nyborg was originally the name of a now disfunct saw mill, but has become used for the two villages Ytterbyn and Målsön which are so close together that they count as one locality.