A williwaw is a type of coastal wind.

Williwaw may also refer to:

Literature Williwaw (novel), a 1946 novel by Gore Vidal Williwaw, a 1978 novel about Labrador, Canada by Phyllis S. Moore Williwaw!, a 2000 children's book by Tom Bodett

Places 5445 Williwaw, a minor planet Williwaw Rocks, near Joinville Island, Antarctica Mount Williwaw, a mountain in Alaska, US Williwaw Elementary, a school in the Anchorage School District, Alaska, US

Maritime Williwaw, a Dragon-class sailboat helmed by George Friedrichs at the 1968 Summer Olympics Williwaw, a Belgian yacht sailed by Willy de Roos through the Northwest Passage in 1977