Long-nosed bat may refer to:
Saussure's long-nosed bats or Mexican long-nosed bats, genus Leptonycteris Southern long-nosed bat, Leptonycteris curasoae Big long-nosed bat, greater long-nosed bat or Mexican long-nosed bat, Leptonycteris nivalis Lesser long-nosed bat or Mexican long-nosed bat, Leptonycteris yerbabuenae Minor long-nosed long-tongued bat, Choeroniscus minor Puerto Rican long-nosed bat, Monophyllus frater
Note the ambiguity of the vernacular name Mexican long-nosed bat.