Sir John Roches (c.1333–1400), of Bromham, Wiltshire, was an English admiral, diplomat, magistrate and politician.

[1] He was made Ambassador to the Kingdom of Aragon from 30 October 1377 to 4 May 1378, and again from 20 June 1378.

[1] He was then elected as Member (MP) of the Parliament of England for Wiltshire in 1381, and again in May 1382, October 1382, February 1383, April 1384, November 1390, 1394, January 1397 and 1399.

[1] He was first appointed Admiral to the West, a senior command of the English Navy, from 22 May 1381 to 23 November 1383.

He was then given the post of Admiral of the North and Western Fleets from 21 May to 22 June 1389.