Marc-Joseph Marion du Fresne (22 May 1724 – 12 June 1772), with the surname sometimes spelt Dufresne, was a Breton-born French explorer who made important discoveries in the south Indian Ocean, in Tasmania and in New Zealand.
Du Fresne was killed by Maori in 1772.He is commemorated in various place names, as well as in the name of the research vessel providing logistical support to the French Southern Territories of ÃŽle Amsterdam, ÃŽle Saint-Paul, ÃŽles Crozet, and ÃŽles Kerguelen, the Marion Dufresne II.