Longueville is a village of and a district of the municipality of Chaumont-Gistoux, located in the province of Walloon Brabant, Belgium.
Longueville has a history that goes back at least to the 13th century, and during the Middle Ages it was a fief which belonged to a succession of religious institutions. The current village church dates from 1769; there is also a chapel at a very old crossroads called , that has an old but disputed history. There is also a 19th-century château in Longueville.