Johann Adam Ackermann (3 November 1780 â 27 March 1853) was a German landscape painter of the early 19th century.
He was born in Mainz and moved to Frankfurt am Main in 1804. His best-known works are his winter landscapes and watercolours. He died in Frankfurt.
Johann Ackermann was the brother of Georg Friedrich Ackermann (1787, Mainz â 1843, Frankfurt am Main), who also painted landscapes but with less success.