Sir John Walter Pollen, 2nd Baronet of Redenham (6 April 1784 – 2 May 1863) was a British Conservative and Tory politician. He was the eldest son of Sir John Pollen, 1st Baronet of Redenham Park, Hampshire and educated at Eton (1799) and Christ Church, Oxford (1803) after which he entered Lincoln's Inn to study law (1806). He succeeded in 1814 to the baronetcy and the Redenham estate, upon the death of his father.