Sir John Conroy, 3rd Baronet, FRS (16 August 1845 – 15 December 1900) was an English analytical chemist.
He was descended from the Ó Maolconaire family of Elphin, County Roscommon.
He was descended from Maoilin Ó Maolchonaire who was the last recognised Chief of the Sept.[2] He was educated at Eton College and then Christ Church, Oxford, also the college of his father, where he read Natural Science, gaining a first class degree in 1868.
[3] His tutor was the chemical kinetics pioneer Augustus George Vernon Harcourt FRS.
[3] His scientific interests were in analytical chemistry, especially optical measurements.