Rosmarie Honegger (born 1947) is a Swiss lichenologist and Emeritus Professor at the University of Zurich.
In 1977 she accepted a postdoctoral research position in the Institute of Plant Biology at the University of Zurich.
[4] From 2011 she worked with Dianne Edwards, a palaeobotanist at the Cardiff University on lichen fossils found on the Welsh borderland.
[1][5][6] Honegger was awarded the International Association for Lichenology's Acharius Medal for her lifetime work in lichenology in 2008[7] and in 2015 she received the Linnean Medal recognising her contribution to the natural sciences.
[9] Among the lichens named in her honour is Xanthomendoza rosmarieae, described in 2011 by Sergei Yakovlevich Kondratyuk and Ingvar Kärnefelt.