Twila Ann Janssen Herr (9 December 1946 – 10 January 2007) was an American-born Australian librarian and educator. The daughter of Edgar Janssen and Arlene Romberg, she was born Twila Ann Janssen in Columbus, Nebraska and attended Columbus High School. She received a BEd from the University of Nebraska–Lincoln in 1969 and a MEd from the University of Tasmania in 1984. Later in 1984, she received a certificate in Advanced Library Information Studies from the University of Hawaii. Herr also held a Nebraska teachers certificate and, in 1973, earned a graduate diploma in librarianship from the Canberra College of Advanced Education.