Teresa J. Vietti (November 5, 1927 – January 25, 2010) was an American physician. She is best known for her pioneering work and research in pediatric cancer. Her research discovered the genetics of leukemia, new chemotherapy agents and tracked the effects of chemotherapy on childhood cancer survivors. Vietti also wrote about her research and was an editor of the Journal of Pediatric Hematology and a co-editor of Clinical Pediatric Oncology. According to Washington University in St. Louis, she was known as "the mother of pediatric cancer therapy."[1]