Nguyễn Hoàng Hải

Nguyễn Hoàng Hải may refer to:


 * Hoàng Hải (born 1982), Vietnamese Pop/R&B singer
 * Nguyễn Tất Nhiên, pen-name of Vietnamese oet Nguyễn Hoàng Hải (1952–1992) who moved to France and then the United States
 * Nguyễn Hoàng Hải (badminton) (born 1986), Vietnamese badminton player