Paneth may refer to:Fajans–Paneth–Hahn Law, chemistry rule concerning co-precipitation and adsorption Friedrich Paneth (1887–1958), Austrian-born British chemist Joseph Paneth (1857–1890), Austrian physiologist from Vienna Nigel Paneth, English epidemiologist Paneth (crater), lunar impact crater that is located on the far side of the Moon Paneth cell, found in the intestinal tract