Annica Dahlström (born 1941) is a Swedish physician and Professor Emerita of Histology and Neuroscience at the Department of Medical Chemistry and Cell Biology at Gothenburg University. Dahlström's research focuses on how nerve cells store and transport signals, but she has also published research on many other areas of histology and neuroscience. She earned her doctorate at 25 as the youngest Swedish physician to earn a doctorate. She was Professor of Histology and Neuroscience at Gothenburg University from 1983 until her 2008 retirement.