Sir William Spring, 2nd Baronet (1642–1684) was an English politician, member of the Spring family and MP for Suffolk in 1679–1684. Spring was educated at King Edward VI School and Christ's College, Cambridge. He inherited the Baronetcy of Pakenham, Suffolk from his father, the Parliamentarian politician William, in 1654. He was removed from the Commission of the Peace for Suffolk in 1670 for opposing the Conventicle Act 1664. He contested the Sudbury constituency in 1679, but lost. He subsequently represented Suffolk in both the second and third Exclusion Parliaments as an exclusionist. Although he moved away from his father's Puritan beliefs, Spring was still anxious about the increasing Catholicisation of the Church of England over his lifetime. On 14 February 1681, after he and Sir Sam