Lonigo is a town and comune in the province of Vicenza, Veneto, northern Italy, its population counts around 16.000 inhabitants.

In its frazione of Bagnolo is the Villa Pisani, a Renaissance patrician villa designed by Andrea Palladio, which is part of a World Heritage Site. There are a number of villas associated with the Pisani family in the Veneto, and there is a second one in Lonigo - usually called "Rocca Pisana", it was designed by Vincenzo Scamozzi.