Ladoga may refer to one of the following.

• Lake Ladoga: (Russian: Ладожское озеро) the Ladoga lake, bordering Republic of Karelia and Leningrad Oblast, Russia.
• Staraja Ladoga: (Russian: Старая Ладога), a town in Leningrad Oblast, Russia.
• Ladoga, Indiana: A town located in Montgomery County, Indiana, USA.