Luca Postiglione (Naples, October 18, 1876 - 1936) was an Italian painter, mainly of portraits, historic and genre subjects, in a Realist style.
Luca Postiglione was born in a family of painters. He was the son of the painter Luigi Postiglione.
His uncle, Salvatore Postiglione (1861-1906) was also a painter and his teacher.