Dr. Bruce Hansen is a North American botanist and Curator Emeritus of Biology at the University of South Florida Herbarium. His research focuses on the plant family Apocynaceae and the flora of Florida.

Relevant to the biota of the Gulf of Mexico, Dr. Hansen has published the following:

Wunderlin, R. P., and B. F. Hansen. 2004. Atlas of Florida vascular plants [on-line database]. URL: http://www.plantatlas.usf.edu/ [S. M. Landry and K. N. Campbell (application development), Florida Center for Community Design and Research.] Institute for Systematic Botany, University of South Florida, Tampa, Florida. (31 December, 2004)