Sir John Beckett, 2nd Baronet, FRS (17 May 1775 – 31 May 1847) was a British lawyer and Tory politician. Beckett was the son of Sir John Beckett, 1st Baronet (1743–1826), and his wife Mary, daughter of Christopher Wilson (bishop), Bishop of Bristol. He was also a descendant of Edmund Gibson, Bishop of London. He was elected to Parliament for Cockermouth in 1818, a seat he held until 1821, and then sat for Haslemere from 1826 to 1832 and for Leeds from 1835 to 1837. Beckett married Lady Anne Lowther, daughter of William Lowther, 1st Earl of Lonsdale, in 1817.