O'Leary
- Province:
- Prince Edward Island
O'Leary is a city located in Prince Edward Island, Canada with a current estimated population of 2,727. The population was recorded at 2,693 in the 2021 Canadian Census, and was previously recorded at 2,432 in the 2016 census. This is an annual change in population of 19, which is an annual growth rate of 0.7%.