Sir John Barker, 4th Baronet
Sir John Barker, 4th Baronet was an English baronet and politician.
He was the second son of Sir John Barker, 2nd Baronet and Winifred Parker, daughter of Sir Philip Parker. In 1665, he succeeded his older brother Jermy as baronet. Barker was educated at Merton College, Oxford. In 1680, he entered the British House of Commons and sat as Member of Parliament for Ipswich until his death in 1696.
Barker married Bridget Bacon, daughter of Sir Nicholas Bacon. They had a daughter and a son. Barker died at Ipswich in Suffolk and was succeeded in the baronetcy by his only son William.