Louis De Rougemont (12 November 1847 – 9 June 1921) was a would-be explorer who claimed to have had adventures in the Pacific Ocean.

“De Rougemont” was born Henri Louis Grin in 1847 in Suchy, Switzerland. He left home at the age of sixteen. He became a footman to the actress ……Fanny Kemble, servant to a Swiss banker de Mieville in 1870 and a butler for the governor of Western Australia Sir William Robinson. In the latest job he lasted less than a year.