Bats collected by members of the Smithsonian African Mammal Project in Togo and Benin are listed. Three species reported are new for Togo [Hypsignathus monstrosus, Taphozous nudiventris and Tadarida nigeriae]. This list includes the 1st account given for the bat fauna of Benin [Nycteris major, N. thebaica, Pipistrellus inexspectatus, Eptesicus guineensis, Scotoecus albofuscus, S. hirundo, Scotophilus leucogaster and Tadarida nanula]. Problems regarding taxonomic determinations in Scotoecus and nomenclatural problems concerning species of Scotophilus are discussed.