The Thorold baronetcy, of Hough-on-the-Hill in the County of Lincoln, was created in the Baronetage of England on 14 June 1644 for Robert Thorold. A Royalist, he had married around 1630 Katharine Roper, daughter of Christopher Roper, 2nd Baron Teynham.

The 2nd Baronet, a Catholic, was imprisoned in the Tower of London in 1792 for high treason. The title became extinct on the death of the 3rd Baronet in 1706.

Thorold baronets, of Hough-on-the-Hill (1644) Sir Robert Thorold, 1st Baronet (died c. 1660) Sir Robert Thorold, 2nd Baronet (died c. 1695) Sir Robert Thorold, 3rd Baronet (died 1706)

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