Petter Lie (1835–1917) was a Norwegian sailor and fisherman. Petter Lie was born in the neighbourhood of Bakklandet in Trondheim, Norway. In 1861 he became engaged to Ellen Johanna Hagen (1833–1914). After their marriage, they moved into a house at Østmarkneset on the peninsula of Lade in the northwest part of Trondheim. Petter, Ellen and their four daughters made a living by fishing and selling the fish at the Ravnkloa fish market.