拉尔讷（荷兰语：Laarne）是位于比利时东佛兰德省部的一座城市，人口17,736人（2006年）。

Laarne (Dutch pronunciation:[ˈlaːrnə]) is a municipality located in the Belgian province of East-Flanders. The municipality comprises the towns of Kalken and Laarne proper. On January 1, 2006, Laarne had a total population of 11,736. The total area is 32.07 km² which gives a population density of 366 inhabitants per km². The current mayor of Laarne is Ignace De Baerdemaecker, from the VLD (Liberal) party.