Namhae may refer to:
Geography Namhae (sea), the region of ocean near Korea Namhae County, a county in South Korea Namhaedo or Namhae Island, an island in South Korea Namhae Bridge, which connects Namhaedo and the mainland Namhae Castle, Namhaedo
Other Namhae of Silla, the second king of Silla
See also South Sea (disambiguation) Nanhai (disambiguation), the Mandarin Chinese cognate of Namhae