Frederick James Erroll, 1st Baron Erroll of Hale, Baron Erroll of Kilmun, TD, PC (27 May 1914 – 14 September 2000) was a British Conservative politician.

Erroll was the son of George Murison Bergmans, an engineer, and Kathleen, daughter of George Brodrick Edington, a Glasgow ironmaster. The family changed their German surname to Erroll during the First World War. He was educated at Oundle School and at Trinity College, Cambridge, graduating with a bachelor's degree in mechanical sciences.^[1]

Erroll was an engineer at Metropolitan-Vickers Electrical Co. Ltd, Manchester, 1936–38. He was commissioned into 4th County of London Yeomanry (Sharpshooters), Territorial Army in 1939, and held technical appointments in connection with tank construction and testing (advising SEAC, 1940–43) and served in India and Burma, 1944–45. He left the forces in 1945 with the rank of colonel.^[1]

Erroll was elected as Member of Parliament for Altrincham and Sale in 1945, holding the seat until 1964. He was Parliamentary Secretary to the Ministry of Supply, 1955–56; Parliamentary Secretary to the Board of Trade, 1956–58; Economic Secretary to the Treasury, 1958–59; Minister of State for Trade, 1959–61; President of the Board of Trade, 1961–63; and Minister of Power, 1963–64. In 1964 he was raised to the peerage as Baron Erroll of Hale, of Kilmun in the County of Argyll.^[2] In 1972 he was President of the Electric Vehicle Association of Great Britain.^[3] In 1999, aged 85, he was awarded a life peerage as Baron Erroll of Kilmun, of Kilmun in Argyll and Bute,^[4] to allow him to sit in the House of Lords following the passing of the House of Lords Act 1999, which excluded hereditary peers.^[1]

He was a Member of the House of Lords Select committee on Science and Technology, 1985–91. He held a large number of business appointments.^[1]

He married Elizabeth Barrow in 1950. Lord Erroll of Hale died in Kensington and Chelsea aged 86. As they had no children, the hereditary barony became extinct on his death.^[1]