Banér is a surname. Notable people with the surname include:
Gustaf Banér, member of the Privy Council of Sweden Johan Banér, Swedish Field Marshal in the Thirty Years' War, son of Gustaf Banér Per Gustafsson Banér, member of the Privy Council of Sweden, son of Gustaf Banér Sigrid Banér, noblewoman and letter writer, daughter of Gustaf Banér Sigrid Eskilsdotter (Banér) (died 1527), Swedish noblewoman
See also Baner, a suburb of Pune, India