Werther is an opera by Jules Massenet.
Werther may also refer to:
Places Werther, North Rhine-Westphalia, a town in western Germany Werther, Thuringia, a municipality in eastern Germany
People with the surname Fanny Fee Werther (born 1994), German journalist Gustav Werther (1815–1869), German chemist Heinrich Wilhelm von Werther (1772–1859), Prussian diplomat and politician
Arts The Sorrows of Young Werther, a novel by Johann Wolfgang von Goethe that the opera Werther is loosely based on Werther (1986 film), a Spanish film based on the novel Werther (1927 film), a Czech film
Others Werther's Original, a toffee-and-cream candy The New Werther, by the statistician Karl Pearson