Willen may refer to:
People Bob Willen, American company chairman Drenka Willen (born 1929), Serbian-American editor, publisher and translator Paul Willen (1928–2022), American architect Pearl Willen (1904–1968), American activist Willen (footballer) (born 1992), Brazilian footballer
Places Willen, a suburb of Milton Keynes, England Willen Lake, a lake and park adjoining the suburb Willen, Manitoba, a community in Canada
See also Willens