Penn is a village and civil parish in Buckinghamshire, England, about 3 miles (4.8 km) north-west of Beaconsfield and 4 miles (6.4 km) east of High Wycombe. The parish's 3,991 acres (1,615 ha) cover Penn village and the hamlets of Penn Street, Knotty Green, Forty Green and Winchmore Hill. The population was estimated at 4,168 in 2019.

Frederick Richard Penn Curzon, 7th Earl Howe,, is a Conservative front bench member of the House of Lords. He is Deputy Leader of the House of Lords and former Minister of State for Defence. Howe is the longest continuously serving Conservative frontbencher, having held a front bench role in some capacity since 1991.