The Laan van Meerdervoort () is an in The Hague. At a length of 5.8 km, it is (as of 2011) the longest avenue in the Netherlands.
The Laan van Meerdervoort is more or less an isogloss of two sub-varieties of The Hague dialect. The posher variety called dàftig, Haegs or bekakt Haags is spoken roughly north of it, whereas a working-class variety called plat Haags or Hèègs is spoken roughly south of the Laan van Meerdervoort.