Cynopterus (Latin meaning: ״flying dog״) is a genus of megabats. The cynopterine section is represented by 11 genera, five of which occur in Malaysia, namely, Chironax, Balionycteris, Penthetor, Dyacopterus, and Cynopterus. About 30 names for Cynopterus species have been proposed, but only 16 are taxonomically valid forms.

Species within this genus are:

Genus Cynopterus

During a survey of Cynopterus brachyotis, it was uncovered that a bat coronavirus (Betacoronavirus) is closely related to the bat coronavirus Rousettus bat coronavirus HKU9 species found in Leschenault's rousette which was discovered in the Guangdong and Yunnan provinces.