James Haughton Langston (25 May 1796[1][2] – 19 October 1863) was a British landowner and Member of Parliament.

He was the son of John Langston of Sarsden House, Oxfordshire, and his wife, Sarah.

He was appointed High Sheriff of Oxfordshire for 1819–20 and verderer of Wychwood Forest.

They had one daughter who survived into adulthood, Julia, to whom he bequeathed his Oxfordshire estate.

This article about a Liberal Member of the Parliament of the United Kingdom representing an English constituency is a stub.