哈拉尔王子海岸是南极洲的海岸，位于毛德皇后地，处于里瑟-拉森半岛和吕佐夫-霍尔姆湾之间，在1937年2月4日由挪威探险队发现。

Prince Harald Coast is a portion of the coast of Queen Maud Land, Antarctica, encompassing Lutzow-Holm Bay, lying between Riiser-Larsen Peninsula, at 34° E, and the east entrance point of Lutzow-Holm Bay, marked by the coastal angle at 40° E. It was discovered during a flight on February 4, 1937, by Viggo Widerøe, Nils Romnaes, and Mrs. Ingrid Christensen of the Lars Christensen Expedition, 1936–1937, and named after the infant son of the Crown Prince of Norway.