Willer is a surname. Notable people with the surname include:
Anne Walsh Willer (1923–2017), American politician Emil Willer (born 1932), German boxer Luise Willer (1888–1970), German operatic contralto Marina Willer, Brazilian graphic designer and filmmaker Robb Willer (born 1977), American sociologist and social psychologist Shirley Willer (1922–1999), American feminist and activist
See also Willer (given name) Willer (disambiguation)