John Augustine Kempthorne (26 May 1864, London – 24 February 1946, Trumpington, Cambridgeshire) was an Anglican Bishop in the first half of the twentieth century. John Augustine Kempthorne was the son of the Rev. John Kempthorne (1835–1880), Vicar of Trumpington. He was educated at Haileybury and Trinity College, Cambridge, achieving a 1st class degree in Classical Tripos in 1886, and a Master's degree in 1890. His first post after ordination was as a curate at St Aidan’s, Gateshead. He then held incumbencies at Rochdale, Sunderland, Liverpool, and Hessle, before elevation to the episcopate in March 1910 as Bishop of Hull, a Suffragan to the Archbishop of York. He was appointed the 93rd Bishop of Lichfield in May 1913, and retired in 1937.