Sir John Baker, 2nd Baronet (c. 1608 – 15 January 1653) was an English politician who sat in the House of Commons of England in 1640. He supported the Royalist side in the English Civil War. Baker was the son of Sir Henry Baker, 1st Baronet of Sissinghurst Castle and his wife Catherine Smythe. He inherited the baronetcy on the death of his father in 1623. He was educated at Jesus College, Cambridge. In 1633 he was High Sheriff of Kent. Baker died at Cranbrook, Kent and was buried in St Dunstan's Church.