拉古尼利亚（西班牙语：Lagunilla），是西班牙卡斯蒂利亚-莱昂萨拉曼卡省的一个市镇。 总面积43平方公里，总人口609人（2001年），人口密度14人/平方公里。

Lagunilla is a municipality in the Province of Salamanca, Spain. It is 95 km from the provincial capital of Salamanca.

It is bordered by Aldeacipreste, Colmenar de Montemayor, Valdelageve, Sotoserrano and Zarza de Granadilla.

In 2005 it counted 560 inhabitants, of which 300 were male and 260 were female (figures from the INE as of Jan 1, 2005) in an area of 42.52 km². Its altitude is 910 m above sea level.