Sir John Curzon, 1st Baronet (13 November 1598 – 13 December 1686), of Kedleston Hall in Derbyshire, was an English politician and landowner who served as a Member of Parliament from 1628 to 1629, then 1640 to 1648.

A devout Presbyterian, he supported the Parliamentarian cause during the First English Civil War, but was excluded by Pride's Purge in 1648.

[1] John Curzon was born 13 November 1598, eldest son of John Curzon (1552–1632) of Kedleston Hall, who was High Sheriff of Derbyshire in 1609, and Millicent Sacheveral (1571–1618), daughter of Sir Ralph Sacheverel of Staunton, and widow of Thomas Gell (1552–1594) of Hopton, Derbyshire.

[1] Curzon graduated from Magdalen College, Oxford, in 1618, aged 18, then attended the Inner Temple in 1620.

In April 1640, he was elected as MP for Derbyshire in the Short Parliament and in November 1640 re-elected MP for Derbyshire for the Long Parliament, sitting until he was excluded under Pride's Purge in 1648.