Giác Hải (Vietnamese: 覺海, fl. 1100) was a Vietnamese Buddhist Zen monk and the most famous disciple of fisherman turned Zen master Không Lộ (1016-1094). He is mentioned in a poem by emperor Lý Nhân Tông (1066–1127). Chapter 11 of 15th Century writer Nam Ông's Nam Ông mộng lục entitled "Tăng đạo thần thông" (僧道神通) tells the story of how he joined forces with the Daoist master Thông Huyền to slay two demons.
- David G. Marr, Anthony Crothers MilnerSoutheast Asia in the 9th to 14th Centuries - Page 147 1986 " His most famous disciple, Giac Hai, was cited in a poem by King Ly Can Bifc, and the court subsidized Giac Hai's ... royal compound at Thang-long (modern Hanoi) and is identified in his biography as "director of monks at the Ly court"; ...
- Journal of Asian martial arts 2004 - Volume 13 - Page 68 There is a famous story in which a Daoist, Thong Huyen, and a Buddhist monk, Giac Hai, combined their Daoist magic and Buddhist sorcery to slay two toad-like demons that attacked the palace "