John Joseph Conroy (July 25, 1819 – November 20, 1895) was an Irish-born clergyman of the Roman Catholic Church.

John Conroy was born in Clonaslee, Queen's County, and came to the United States at the age of twelve.

[2] On July 7, 1865, Conroy was appointed the second Bishop of Albany by Pope Pius IX.

[3] During his administration, he greatly increased the number of priests in the diocese, securing the services of the Augustinians and the Conventual Franciscans.

[4] Among the many institutions he founded were an industrial school, St. Agnes's Rural Cemetery, St. Peter's Hospital, and a house for the Little Sisters of the Poor.