Keenleyside

Keenleyside or Keenlyside is a surname that may refer to:
 * Keenleyside Hill, Nr Alston, Cumbria, United Kingdom. Fallen out of common usage due to change of ownership of hill. Can still be found by google maps.
 * Eric Keenleyside, (b. 1957), Canadian actor
 * George Keenlyside (1889–1967), English footballer
 * Hugh Llewellyn Keenleyside, CC (1898–1992), Canadian professor, diplomat and civil servant
 * for whom the Keenleyside Dam is named
 * Huong Keenleyside, (née Nguyen), (b. 1971), Vietnamese writer
 * Sir Simon Keenlyside, (b. 1959), British opera singer
 * Zenaida, Lady Keenlyside, ballet dancer, married to Sir Simon Keenlyside
 * Tom Keenlyside, (b. 1950), Canadian musician