Delacroix is a French surname that derives from de la Croix ("of the Cross"). Notable people with the surname include:
Caroline Delacroix (1883–1945), French-Romanian mistress of Leopold II of Belgium
Charles-François Delacroix (1741–1805), French ambassador to the Netherlands
Eugène Delacroix (1798–1863), French Romantic artist
Gustave Delacroix de Ravignan (1795–1858), French Jesuit preacher and author
Hiroyuki Sakai from Iron Chef, referred to as the Delacroix of French cuisine.
Jean-François Delacroix (1753–1794), French revolutionary politician
Léon Delacroix (1867–1929), Belgian statesman
Michel Delacroix (painter) (1933–), French painter
Michel Delacroix (politician), Belgian politician
Fictional characters:
Eduard Delacroix, character from the serial novel The Green Mile and its film adaptation
Marie Delacroix, character from the video game System Shock 2
Monique Delacroix Bond, mother of James Bond
Victor Delacroix, character from the video game Chaos Legion
Yvette Delacroix, character from the video game The Dagger of Amon Ra
The Delacroix family, from The Lottery
