Marcus Flaminius is a 1792 historical novel by the British writer Cornelia Knight.

[1] It drew on Knight's classical learning and was dedicated to Horace Walpole.

[2] Taking the form of a epistolary novel it depicts a Roman soldier Marcus Flaminius captured by the Germanic forces at the Battle of the Teutoburg Forest.

After spending hisseveral years as a prisoner and outsider amongst the Cherusci, he then returns to the corrupt Rome of Emperor Tiberius.

Knight uses the novel to reflect indirectly on the recent French Revolution.