Bredt is a surname of German origin. Among those bearing this surname we find:
Alice Verne-Bredt (1868-1958), English piano teacher, violinist and composer
Bertha McNamara Bredt (1853-1931), Australian socialist agitator, feminist, pamphleteer, bookseller
David S. Bredt (born ?), American molecular neuroscientist
Ferdinand Max Bredt (1868-1921), German painter
Irene Sänger-Bredt (1911-1983), German engineer, mathematician and physicist
Johann Viktor Bredt (1879-1940), German Weimar era justice minister
Julius Bredt (1855-1937), German organic chemist