Boffius is a genus of mammal from the Paleocene of Europe. It is a member of the extinct order of Multituberculata. It lies within the suborder Cimolodonta and is the only known member of the family Boffiidae (Hahn & Hahn, 1983). The genus was named by Vianey-Liaud M. in 1979. The species Boffius splendidus is known from Lower Paleocene remains found in Hainin, Belgium. It was a relatively large multituberculate.