Plenderleith is a surname. Notable people with the surname include:
Bill Plenderleith (1929–2009), British-Kenyan field hockey player Harold Plenderleith (1898–1997), Scottish art conservator Ian Plenderleith (born 1943), British central banker Jackie Plenderleith (born 1937), Scottish footballer Robert Waldron Plenderleith (1901–1974), Scottish engineer and curator
See also Baron of Plenderleith, Scottish title of nobility Plender, surname William Plenderleath (1831–1906), English Anglican clergyman, author and antiquarian