Hans Lukas "Luc" Hoffmann (23 January 1923 – 21 July 2016) was a Swiss ornithologist, conservationist, and philanthropist.
He co-founded the World Wildlife Fund (WWF), helped establish the Ramsar Convention for the protection of wetlands, and set up the Tour du Valat research centre in the Camargue area of France.
In 2012, Luc Hoffmann's MAVA Foundation, along with WWF International, established the Luc Hoffmann Institute.
He was the author of more than 60 books, mostly ornithological.