Shirley A. Mullen is a Canadian academic administrator served as the fifth president of Houghton College. She was named president emerita prior to her resignation in April 2021. Prior to becoming president, Mullen was provost at Westmont College in Santa Barbara, California, where she was awarded faculty/staff membership in Omicron Delta Kappa. During her time as president, she elected to sell Houghton College's satellite campus located in West Seneca, New York to shift more focus to the Buffalo area.