Billen

Billen is a surname. Notable people with the surname include:


 * Andrew Billen (born 1957), British journalist and children's author
 * Mathieu Billen (born 1953), Belgian association football player for Royal Standard de Liège
 * Matthias Billen (1910–1989), German footballer
 * Valère Billen (born 1952), Belgian football coach