O'Leary
The taxon authority O'Leary may refer to:
- Martin C. O'Leary (fl. 2002, O'Leary), botanist
- Maureen A. O'Leary, comparative anatomist, paleontologist and systematist
- Nataly O'Leary (born 1975, N.O'Leary), Argentinian botanist
The taxon authority O'Leary may refer to: