Wack or Whack may refer to:
People
Gerhard Wack (born 1945), German politician
Henry Wack (1875-1955), attorney, author, and apologist for Leopold II's misrule of the Congo Free State Pierre Wack (1922–1997), a French oil executive who was the first to develop the use of scenario planning in the private sector Tierra Whack (born 1995), an American rapper, singer, and songwriter
Arts, entertainment, and media
WACK, a radio station in Newark, New York
WACK! Art and the Feminist Revolution, a feminist art exhibition and book
Whack, a short-lived St. John Publications comic book (1953-54) Whack Records Wrestling Association of Championship Krushers (WACK), a children's television show WACK, a Japanese music production company
Other uses
Wack, adjective, slang (from "whacked") for oppressive, crazy, stupid, poor quality, unfashionable. As a verb, it means to kill. Slash symbol "/", sometimes known as a whack Windows App Certification Kit (WACK)
See also
WAC (disambiguation) Whac-A-Mole, an arcade game Wacke, or greywacke, a type of sandstone Wacker (disambiguation) Wak (disambiguation) Wank (disambiguation)