Peter D. Leary is an American lawyer who served as the United States attorney for the Middle District of Georgia from 2020 to 2025.

From 2007 to 2012, he served as a trial attorney in the federal programs branch of the Department of Justice's Civil Division.

He previously served as an assistant United States attorney for the Middle District of Georgia from 2012 to 2021.

[2] Leary serves as adjunct faculty at Mercer University School of Law, teaching criminal justice.

On October 19, 2022, President Joe Biden announced his intent to nominate Leary to be the United States attorney for the Middle District of Georgia.