Lucus Pisaurensis is a sacred grove or lucus of ancient Pisaureum, modern Pesaro in Italy. It is just outside the coastal comune of Pesaro, between the Colle della Salute and the Collina in Santa Veneranda. It is in the Pesaro e Urbino Province of Marche, a pre-Imperium Romanum region of the Sabines and Latins peoples.