Ranum (surname)

Ranum is a surname of Norwegian or Danish origin. Notable people with the surname include:


 * Edith Ranum (1922–2002), Norwegian crime fiction writer, novelist and playwright
 * Jane Ranum (born 1947), American politician
 * Marcus J. Ranum (born 1962), American computer and network security researcher
 * Roy W. Ranum (1898-1990), American politician