Blakeslee is a surname. Notable people with the surname include:Albert Francis Blakeslee (1874–1954), botanist Dennis A. Blakeslee (1856–1933), American politician Dick Blakeslee (1921–2000), professor Donald Blakeslee (1917–2008), fighter pilot Ephraim Blakeslee, American politician George Hubbard Blakeslee (1871–1954), historian Howard W. Blakeslee (1880–1952), American journalist Mermer Blakeslee, writer in the Catskills, New York Sam Blakeslee, former California State Senator Sandra Blakeslee, science correspondent Sarah Blakeslee, sport shooter Sarah Blakeslee (painter) (1912–2005), landscape and portrait painter Susanne Blakeslee, voice actress