Dejean

Dejean is a surname. Notable people with the surname include:
 * Cooper DeJean (born 2003), American football player
 * Louis Dejean (1872–1954), French sculptor and engraver
 * Mike DeJean (born 1970), American baseball player
 * Jean François Aimé Dejean (1749–1824), French army officer and minister of state in the service of the First French Republic and the First French Empire
 * Jean-Luc Déjean (1921–2006), French writer
 * Philippe DeJean (1736–c.1809), judge in Fort Detroit until he was captured during the American Revolution
 * Pierre Charles Dejean (1807–1872), French general and politician
 * Pierre François Marie Auguste Dejean (1780–1845), French entomologist