Hải Ninh may refer to:
- Hải Ninh, Bình Thuận, a rural commune of Bắc Bình District
- Hải Ninh, Nam Định, a rural commune of Hải Hậu District
- Hải Ninh, Quảng Bình, a rural commune of Quảng Ninh District
- Hải Ninh, Thanh Hóa, a rural commune of Tĩnh Gia District
- Former Hải Ninh Province in northeastern coast of Vietnam with Móng Cái as its provincial capital, now part of Quảng Ninh Province.
- Former Hải Ninh District of Quảng Ninh Province, now the city of Móng Cái.
- Hải Ninh (director), Vietnamese director of films including Girl from Hanoi.