Ngọc Hiển is the southernmost rural district of Cà Mau province in the Mekong Delta region of Vietnam. As of 2003 the district had a population of 66,874. The district covers an area of 743 km². The district capital lies at Viên An Đông.

Divisions

The district is divided into the following communes:

• Rạch Gốc (urban municipality)
• Đất Mũi
• Tam Giang Tây
• Tân Ân
• Tân Ân Tây
• Viên An
• Viên An Đông