Duckbill

Duckbill may refer to:


 * Platypus, Ornithorhynchus anatinus
 * Duckbill dinosaurs, family Hadrosauridae
 * Duckbill fishes, family Percophidae
 * Duckbill eels, family Nettastomatidae
 * Duckbill choke, a shotgun accessory
 * Duckbill valve, a valve used to prevent back flow
 * Duckbill (rock formation), Oregon
 * Duckbill mask