Sir Ralph Freeman CVO CBE (3 February 1911 – 24 August 1998) was an English civil engineer, responsible for the design of the Humber Suspension Bridge - the longest in the world until 1998.

He was the son of Sir Ralph Freeman, designer of the Sydney Harbour Bridge.

[1][permanent dead link‍] He was educated at Uppingham School, Rutland and Worcester College, Oxford.

Freeman served in the Royal Engineers during the Second World War as a Captain in the Experimental Bridging Establishment in Christchurch, Hampshire, England.

His son, Ralph (but known as Anthony), who also took up civil engineering, died in July 1998 after an accident on the Vasco da Gama bridge in Lisbon.