Mormopterus is a subgenus of the identically-named Mormopterus genus of bats.

It is wide-ranging with six species, and includes the western side of South America as far south as northern Chile, Cuba, Sumatra, South Africa and East Africa including Madagascar within its far-flung range. Species in this subgenus are:

• Natal Free-Tailed Bat (M. acetabulosus)
• Sumatran Mastiff Bat (M. doriae)
• Peter's Wrinkle-Lipped Bat (M. jugularis)
• Kalinowski's Mastiff Bat (M. kalinowskii)
• Little Goblin Bat (M. minutus)
• Incan Little Mastiff Bat (M. phrudus)