Nestler is a surname. Notable people with the surname include:Britta Nestler, German materials scientist Chrétien Géofroy Nestler (1778–1832), French botanist and pharmacist Christine Nestler, German cross-country skier Elisabeth Nestler, Austrian figure skater Eric J. Nestler, American neuroscientist and academic Gaby Nestler, East German cross-country skier Gerry Nestler, American musician Johann Karl Nestler (1783–1842), Czech-German scientist Vincenzo Nestler (1912–1988), Italian chess player