Lake Foy Sagar is an artificial lake situated near Ajmer in the state of Rajasthan, India. It is named after the engineer Mr. Foy, an Englishman, who created it under a famine relief project in 1892. He created it to tackle with harshest conditions of famine under a famine relief project. It appears flat, and offers views of the neighboring Aravalli mountains. The lake is among the tourist spots of the city.