Tomas Hökfelt (born 29 June 1940) is a Swedish physician and former professor in histology at the Karolinska Institutet from 1979 until 2006, when he got his emeritate. He was linked to the Department of Neuroscience and is specialized in cell biology.
Tomas Hökfelt was born in , Sweden in 1940. He enrolled in the Karolinska Institutet in 1960 and got his BA in Medicine in 1960. He then studied at the Karolinska Institutet under professor Nils-Åke Hillarp, studying monoamine neurons, getting his PhD in 1968 and his MD in 1971. He became an assistant professor in 1968, and from 1979 until 2006, Hökfelt worked as a professor at the Karolinska Institute. He was also a faculty member of the Department of Biotechnology at the Royal Institute of Technology in .
Tomas Hökfelt's early research was on neurotransmitters and neuropeptides in the brain. In 1977 he discovered that non-neurotransmitter peptide molecules like somatostatin, can exist with neurotransmitters in same peripheral and central neurons.
Hökfelt together with Serguei Fetissov has also conducted research into anorexia nervosa, indicating that it may be a disease, caused by a particular group of antibodies.
Together with Anders Björklund, he has edited 21 volumes of the Handbook of Chemical Neuroanatomy between 1983 and 2005