Sir John Williams, 2nd Baronet (c. 1651 – November 1704)[1] was a Welsh member of parliament, representing the constituencies of Monmouth Boroughs (February 1689 – 1690)[1] and Monmouthshire (1698–1704).[1]
He was one of the Williams baronets. He succeeded Sir Trevor Williams, 1st Baronet[1] and was succeeded by Sir Hopton Williams, 3rd Baronet.[1]