Johannes Flintoe (1786/87, Copenhagen - 27 January 1870, Copenhagen) was a Danish-born painter of Norwegian ancestry; known for his landscapes, costume studies and historical scenes. His works play a significant role in the transition to romantic nationalism.

His family (originally "Flinthoug") came from Hurum and his father was a metal caster. At the age of thirteen, he was apprenticed to a master decorative painter named Pader Faxøe, who became his foster father.

In 1802, he began studies at the Royal Danish Academy of Fine Arts, which he completed in 1805. During this time, he also took private lessons in decorative and theatrical painting. From 1807 to 1808, he served in the Napoleonic Wars and developed rheumatism, which...