Victor Folke Nelson (June 5, 1898 – December 9, 1939) was a Swedish-American writer, prisoner, and prison reform advocate. He spent many years incarcerated in both the New York and Massachusetts prison systems and came to the attention of neurologist Abraham Myerson and penologist Thomas Mott Osborne for his potential as a writer. In 1932, Nelson published his book Prison Days and Nights with the assistance of Dr. Myerson.