Ralph de Cromwell, 1st Baron Cromwell

Ralph de Cromwell, 1st Baron Cromwell 2nd creation (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. His grandson, Ralph, 3rd Baron Cromwell, served as Lord Privy Councillor, Treasurer of England and Chamberlain of the Household during the reign of Henry VI. He and Thomas Cromwell share descent from Baron John de Cromwell the first Baron Cromwell.