Pennell may refer to:

Persons

Chris Pennell (born 1987), English rugby union player

Eagle Pennell (1952–2002), American independent filmmaker

Edward Pennell (1894–1974), Royal Flying Corps officer

Elizabeth Robins Pennell (1855–1936), American writer

Francis W. Pennell (1886–1952), American botanist

Harry Pennell (1882–1916), Royal Navy Officer

Henry Singleton Pennell (1874–1907), English recipient of the Victoria Cross

Joseph Pennell (1857–1926), American artist and author

Larry Pennell (1928–2013), American television and film actor

Lawrence Pennell (1914–2008), Canadian lawyer and politician

Maynard Pennell (1910–1994), American businessman

Nicholas Pennell (1938–1995), English actor

Rebecca Pennell (1821–1890), American educator

Robert Franklin Pennell (1850–1905), American educator and classicist

Russ Pennell (born 1960), American basketball coach

Steven Brian Pennell (1957–1992), American serial killer

Theodore Leighton Pennell (1867–1912), Christian missionary and doctor

Vane Pennell (1876–1938), British rackets and real tennis player

Others

20455 Pennell, main-belt asteroid

Pennell Bank, bank on the continental shelf in the eastern Ross Sea

Pennell Coast, coast of Antarctica between Cape Williams and Cape Adare

Pennell