Guillaume Segerer (born July 13, 1965, in Paris, France) is a French linguist who specializes in Niger-Congo languages, especially the Atlantic languages.
Segerer is known for his historical-comparative work on the Atlantic languages.
In 2000, Segerer obtained his doctorate from Sorbonne Nouvelle University Paris 3. His doctorate thesis was a description of the Bijogo language of Guinea-Bissau.
He has been employed at the CNRS since 2001, where he mostly worked at LLACAN (), a Unité mixte de recherche (UMR) within the CNRS. Since 2007, Segerer has been employed as a full researcher at LLACAN.
Some projects that Segerer has worked on include the following.