Sidney Nowell Rostron (10 August 1883 – 17 March 1948) was a Church of England priest, theologian, and academic. He was the first Principal of St John's College, Durham, serving from 1909 to 1911. He then returned to parish ministry and was vicar of a number of parishes. During World War I, he served with the Army Chaplains' Department as a military chaplain. From 1928 to 1942, he was additionally Whitehead Professor of Pastoralia at the London College of Divinity.