Rebecca Naylor Hazard (née Rebecca Ann Naylor; November 10, 1826 – March 1, 1912) was a 19th-century American philanthropist, suffragist, reformer, and writer from the U.S. state of Ohio. With a few other women, she formed the Woman Suffrage Association of Missouri and an Industrial Home for Girls in St. Louis. She organized a society known as the Freedmen's Aid Society, and served as president of the American Woman Suffrage Association.