Varteig is a village in Sarpsborg and a former municipality in Østfold County, Norway.
[1] Varteig is located north of the city of Sarpsborg and east of the Glomma river.
On 1 January 1992 a small part of the district Furuholmen, with 12 inhabitants, was moved to Rakkestad municipality.
The rest of Varteig was incorporated into Sarpsborg along with Tune and Skjeberg.
[2] The municipality (originally parish) is named after the farm of Varteig (Old Norse Varteigr).