The year 1811 in archaeology involved some significant events.

• Colosseum, Rome: The arena substructure is partly excavated during 1810-1814.
• In Italy, detailed excavations continue at Pompeii.
• The remains of the villa of Pliny, named Villa di Pino, are excavated during 1802-1819 (following the excavations of 1713).
• The Bignor Roman Villa is excavated between 1811 and 1819.

• Christian Maclagan, Scottish antiquary (d. 1901)^[1]

• Roman Forum - excavations.