The Sintra National Palace (Portuguese: Palácio Nacional de Sintra), also called Town Palace (Palácio da Vila Vila=Town) is located in the town of Sintra, in the Lisbon District of Portugal. It is a present day historic house museum.

It is the best preserved medieval Royal Palace in Portugal, from being inhabited more or less continuously from at least the early 15th century to the late 19th century. It is an significant tourist attraction, and is part of the cultural landscape of Sintra, a designated UNESCO World Heritage Site.