Dag Skogheim (17 May 1928 – 4 December 2015) was a Norwegian teacher, poet, novelist, short story writer, biographer and non-fiction writer. He was born in Sømna. He made his literary debut in 1970 with the poetry collection "... gagns menneske". He was known for his 2001 novel "Sanatorieliv". The book was awarded the "Sverre Steen Prize" from the Norwegian Historical Association in 2002.