Jane Yelvington McCallum (December 30, 1877 – August 14, 1957) was an author, a women's suffrage and Prohibition activist, and the longest-serving Secretary of State of Texas. She attended schools in Wilson County, Texas, for the most part, and studied at the University of Texas at Austin for several years. As a suffragist, she published many columns in local newspapers in support of that cause and others. She was a member of numerous organizations. In 1927, she campaigned for Dan Moody and would be appointed as the Secretary of State after his successful election as governor. After leaving the position in 1933, she remained active in writing, activism, and political and civic affairs until she died in 1957.