Sir John Barrington, 7th Baronet

Sir John Barrington, 7th Baronet (c. 1707– 4 May 1776) was a British politician and baronet.

He was the older son of Sir John Barrington, 6th Baronet and Susan Draper, daughter of George Draper. Barrington succeeded his father as baronet in August 1717. He was a Member of Parliament (MP) for Newtown in the Parliament of Great Britain from 1729 until 1734 and again from 1741 until 1775.

Barrington married Mary Roberts, daughter of Patricus Roberts. He died childless and was buried at Lilley, Hertfordshire. Barrington was succeeded in the baronetcy by his younger brother FitzWilliam.