Lichtenhagen, from the oldgerman designation for Clear Grove is the name for many urban places like

• Rostock-Lichtenhagen, borough of Rostock, Germany
• Elmenhorst/Lichtenhagen, Bad Doberan, Germany
• neighborhood of Friedland, Lower Saxony, Germany
• village in Ottenstein, Germany
• neighbourhood of Knüllwald, Schwalm-Eder-Kreis, Germany
• Forest Lichtenhagen, Schermbeck, Germany

Other uses include:

• Silke Lichtenhagen (*1973), German athlete
• Riot of Rostock-Lichtenhagen