Bonnetmouth

Bonnetmouth may refer to:


 * Inermiidae, a fish family collectively known as 'bonnetmouths'
 * Emmelichthyops atlanticus, an Atlantic Ocean fish commonly known as 'bonnetmouth'
 * Emmelichthys nitidus, an Indian and Pacific Ocean fish commonly known as 'redbait' but is sometimes known as 'bonnetmouth'