Lahe may refer to:
People Hanah Lahe (born 1999), Estonian climate activist and politician
Places Lahe, Burma, town in Naga Hills, Sagaing Division, Burma Lahe, Lääne-Viru County, village in Haljala Parish, Lääne-Viru County, Estonia Lahe, Põlva County, village in Põlva Parish, Põlva County, Estonia Lahe, Tartu County, village in Peipsiääre Parish, Tartu County, Estonia