Matthias Marris (17 August 1839, The Hague - 22 August 1917, London) is a Dutch painter, etcher and lithographer.
He is also known as Matthijs Maris or Thijs.
Initially belonging to the Hague School, like his two brothers, Jacob and Willem, his later works deviate increasibgly from that school into a unique style influenced by the Pre-Raphaelites.