John Kempthorne (24 June 1775, Plymouth Dock, Devon – 9 November 1838, Gloucester) was an English clergyman and hymnwriter.
He graduated from St John's College, Cambridge as Senior Wrangler and Smith's Prizeman in 1796, and was elected fellow of St John's from 1796 to 1802.
Kempthorne was Vicar of Northleach (1816–38), vicar of Preston (1817–20), Rector of St Michael's and St Mary-de-Grace, Gloucester (1825–38), chaplain to the Bishop of Lichfield and Coventry (1824–38) and Prebendary of Lichfield (1825–38).
He was an evangelical hymn-writer, credited with composing Praise the Lord, ye heavens adore him.
[citation needed] The architect Sampson Kempthorne was his son.