Syvert Omundsen Eeg (21 August 1757 – 20 November 1838) was a Norwegian farmer and sea captain.
He sailed aboard the Strandmaagen and the brig Anne Marie.
He was held captive in England as a result of the British embargo of Norway during the Napoleonic wars.
The couple lived on the farm Eeg (Gården Eik in Søgne).
Together with his fellow representatives, Erich Haagensen Jaabech and Osmund Andersen Lømsland, during the negotiations at Eidsvoll, he supported the position of the Union Party (Unionspartiet).