Robert Pierrepont, 1st Earl of Kingston-upon-Hull, English general and politician (b. 1584)

Robert Pierrepont, 1st Earl of Kingston-upon-Hull (6 August 1584 – 25 July 1643) was an English nobleman who joined the Royalist side in the English Civil War after some delay and became lieutenant-general of the counties of Lincoln, Rutland, Huntingdon, Cambridge and Norfolk. He was killed in a friendly fire incident after being captured by Parliamentary forces.