The Whalley-Gardiner, later Whalley-Smythe-Gardiner Baronetcy, of Roch(e) Court in the County of Southampton, was a title in the Baronetage of Great Britain. It was created on 14 January 1783 for , Member of Parliament for Westbury, with remainder, failing male issue, to his brothers and their issue male. Born John Whalley, he was the second cousin and heir of Sir William Gardiner, 3rd and last Baronet, of Roche Court (dsp. 1779), and assumed the additional surname of Gardiner on succeeding to the Gardiner and Brocas estates. The second Baronet (brother of the first Baronet) assumed the additional surname of Smythe on succeeding to those estates. The third Baronet was High Sheriff of Hampshire in 1810. The title became extinct on the death of the fourth Baronet in 1868.