Sir John Salusbury (1 September 1707 – 2 May 1762) was a Welsh nobleman, explorer and co-founder of Halifax, Nova Scotia. He is credited as being one of the founders of modern Canada along with several other members of his expedition, including the Earl of Halifax and Edward Cornwallis. He served on the Nova Scotia Council throughout Father Le Loutre's War. He participated in the Battle at Chignecto. His diaries regarding the military campaign to establish a colony in Nova Scotia on behalf of the British Government became a vital source of information regarding the hardships, difficulties and opposition from the average Englishman regarding the development of the colony. He was a direct descendant of Katheryn of Berain.