Bernard Harden "Bern" Porter (born February 14, 1911, Porter Settlement in Houlton, Aroostook County, Maine– died June 7, 2004 in Belfast, Maine) was an American artist, writer, publisher, performer, and physicist.
He was a representative of the avant-garde art movements Mail Art and Found Poetry.
In 2010 his work was recognized by an exhibit at the Museum of Modern Art in New York.