Seowoncheon (Korean: 서원천) is a stream which flows through Iseo-myeon in Cheongdo County, southern North Gyeongsang Province, South Korea. It is a third-level tributary of the Nakdong River, as it flows into the Cheongdocheon, which in turn flows into the Miryang River, which in turn flows into the Nakdong. It rises from the slopes of Bonghwasan, which stands on the border of Cheongdo County and Daegu.