Baileyi may refer to: \n* Anostoma baileyi, a species of land snail \n* Bulbophyllum baileyi, a species of orchid \n* Gymnopilus baileyi, a species of mushroom \n* Ivesia baileyi, a species in the rose family \n* Mitromorpha baileyi, a species of sea snail \n* Oliva baileyi, a species of sea snail \n* Parnassius baileyi, a species of butterfly \n* Xenospiza baileyi, the Sierra Madre sparrow