Ralph de Cromwell, 1st Baron Cromwell

Ralph de Cromwell, 1st Baron Cromwell (died 27 August 1398), Tattershall in Lincolnshire, was an English peer. He was summoned to the House of Lords as Lord Cromwell in 1375.

Cromwell died in August, 1398, and was succeeded in the barony by his son, Ralph.

Ralph married Maud (b.1337), daughter of John Bernack and Joan (d.1361), daughter of John Marmion, 4th Baron Marmion of Winteringham and had the following issue:-