Baileyi may refer to:
Anostoma baileyi, a species of land snail Bulbophyllum baileyi, a species of orchid Gymnopilus baileyi, a species of mushroom Ivesia baileyi, a species in the rose family Mitromorpha baileyi, a species of sea snail Oliva baileyi, a species of sea snail Parnassius baileyi, a species of butterfly Xenospiza baileyi, the Sierra Madre sparrow
See also C. baileyi (disambiguation) D. baileyi (disambiguation) E. baileyi (disambiguation) N. baileyi (disambiguation) T. baileyi (disambiguation)