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.
Born John Whalley, he was the second cousin and heir of Sir William Gardiner, 3rd and last Baronet, of Roche Court (dsp.
Mary Anna, third daughter of the third Baronet, was the wife of the historian and Royal Navy captain Montagu Burrows.
The fourth and last baronet's only daughter, Mabel Katharina Whalley-Smythe-Gardiner (1863–1892), inherited Roche Court and married (1887) Henry Fielden Rawstorne (same family as Atherton Rawstorne), their younger but surviving daughter, Mabel Dorothy Rawstorne (1889–1936), inherited and in February 1924 married a widower, Sir William De Salis (1858–1939).
She left on her death several Whalley-Smythe-Gardiner portraits to George, 2nd Earl Jellicoe, her third cousin.