Bobrinski's serotine (Eptesicus bobrinskoi ) is a species of vesper bat. It can be found in Iran and Kazakhstan.
It is considered a small-bodied member of its genus. It has forearm lengths of around 34–37 mm (1.3–1.5 in). Its greatest length of skull is around 15 mm (0.59 in).
For several decades after its discovery, it was believed that Bobrinski's serotine was endemic to Kazakhstan. In 2006, it was additionally identified in Iran. It is found in desert habitats.
