Hugh Trenchard, 1st Viscount Trenchard (1873–1956) was a British officer who was instrumental in establishing the Royal Air Force.
Trenchard may also refer to: People Edward Trenchard, American naval officer George Trenchard (multiple people) Henry Trenchard (MP for Poole), English politician Hugh Trenchard, 3rd Viscount Trenchard (born 1951), British soldier and businessman John Trenchard (politician) (1649–1695), English politician John Trenchard (writer), English political essayist Stephen Decatur Trenchard, American rear admiral Thomas Trenchard (multiple people) Thomas Trenchard, American football coach Thomas Trenchard (Dorset MP) Thomas Trenchard (died 1671) Thomas Trenchard, 2nd Viscount Trenchard (1923–1987)
Other uses Viscount Trenchard, a title in the Peerage of the United Kingdom Colonel Trenchard, a character in the Doctor Who serial The Sea Devils
See also Brian Trenchard-Smith (born 1946), English director, producer, writer, and actor