Frank Henry Mason (1 October 1875 – 24 February 1965), RBA, RI, RSMA was an English artist best known for his maritime, shipping, coastal and harbour paintings, and as a creator of art deco travel and railway posters.His style is described as "light impressionist" and he was a founder member of the Staithes Art Club whose members are known today as the Staithes group of artists, or the Northern Impressionists.