Sir John Broadbent, 2nd Baronet

Sir John Broadbent, 2nd Baronet FRCP (16 October 1865 – 21 January 1946) was an English physician at St Mary's Hospital, London.

He was the elder son of the neurologist Sir William Henry Broadbent, 1st Baronet and his wife Eliza née Harpin. John was educated at Rugby School and Hertford College, Oxford. He was dean of the Medical School from 1910 to 1920.

With his father William, John wrote Heart Disease and Aneurism of the Aorta in 1897.