Jacqueline Jia-Kang Whang-Peng (Chinese: 彭汪嘉康; pinyin: Péng Wāng Jiākāng; born September 1932) is a Taiwanese-American physician-scientist specialized in cytogenetics of cancer, as well as medical genetics, genetic oncology, and gene mapping.

[2] Whang-Peng joined the medicine branch of the National Cancer Institute (NCI) in 1960.

[1] As of 1993, Whang-Peng has served on the editorial board of the journal Genes, Chromosomes and Cancer since 1989.

[3] Whang-Peng was chief of the cytogenetic oncology section in the NCI's Medicine Branch when she retired on December 31, 1993.

[2] In collaboration with Joe Hin Tjio of the National Institute of Arthritis and Metabolic Diseases, she developed a technique for t he preparation of mammalian cells for the study of their chromosome complement.

This technique is now utilized by many investigators and is considered responsible for much of the progress that has been made in the area.

She devoted a good deal of her time to research on the kinetics and biology of leukemia cells.