法尔塞斯（西班牙语：Falces），是西班牙纳瓦拉的一个市镇。总面积115平方公里，总人口2507人（2001年），人口密度22人/平方公里。

"Falces" is also the plural of "Falx". For the arachnid appendages, see chelicerae.

Falces is a town and municipality located in the province and autonomous community of Navarre, northern Spain. In Basque the town is called Faltzes. It has a population of around 2500 inhabitants. It is well known for the famous "encierro del pilon", which is a running of the bulls made even more dangerous due to it being run down a narrow road of a steep hill.