Valen is a surname. Notable people with the surname include:
Anita Valen (born 1968), Norwegian cyclist Fartein Valen (1887–1952), Norwegian composer and musical theorist Henry Valen (1924–2007), Norwegian political scientist Inge Valen (born 1951), Norwegian footballer Kristian Valen (born 1974), Norwegian comedian and musician Monica Valen (born 1970), Norwegian cyclist Nancy Valen (born 1965), American actress and television producer Neri Valen (1893–1954), Norwegian politician Snorre Valen (born 1984), Norwegian musician and politician
See also Valen-Sendstad Ritchie Valens