During the study of butterflies of Bangladesh (Insecta: Lepidoptera) which carried out since June 2014 to March 2016, several expeditions were made by the authors in the different areas of Bangladesh and many butterfly species were collected and identified. Among them, five species namely, Zezius chrysomallus Hübner, 1823, Rapala tara de Niceville, 1988, Cethosia biblis Fruhstorfer, 1912 and Atrophaneura coon Fabricius, 1793, Cephren estrichopepla Lowe, 1908; and one subspecies, Pelopidas subochracea subochracea Moore, 1878 are newly reported for the fauna of Bangladesh and their distribution data are presented. This study was achieved with an aim to update the checklist of butterflies of Bangladesh. The previous sampling gaps in some areas of Bangladesh indicated by these newly reported species which may put forward further investigations on the butterflies of this country.