Peter George Penny, 2nd Viscount Marchwood (7 November 1912 - 6 April 1979) was a British soldier, businessman and hereditary peer who was a Conservative member of the House of Lords from 1955 to 1979.
He succeeded to the viscountcy and other titles upon his father's death on 1 February 1955.
Marchwood was commissioned into the Royal Artillery as a 2nd Lieutenant, rising to the rank of major during the Second World War.
[1] Marchwood married Pamela Colton-Fox on 30 July 1935.
They had three children:[1][2] Lord Marchwood died in 1979, at the age of 66, and was succeeded in the viscountcy and other titles by his elder son, David.