Stephen Parkinson (1 August 1823, Keighley – 2 January 1889) was a British mathematician.
Parkinson went up to St John's College, Cambridge as a sizar in 1841 and graduated as Senior Wrangler in 1845, beating William Thomson. He was elected to a Fellowship at St John's in the same year. He was ordained in 1851, made BD in 1855 and DD in 1869.[1]
He was College lecturer in mathematics, tutor and President (1865-89). He was made a Fellow of the Royal Society in 1870.
Parkinson was the author of two mathematical textbooks, Elementary Treatise on Mechanics (1855) and A Treatise on Optics (1859).