Krack or KRACK may refer to:
KRACK, an attack on the Wi-Fi Protected Access protocol Krack (film), an Indian Telugu-language action film Old style spelling of Kraks Forlag, a Danish publisher of maps
Persons Erhard Krack (1931–2000), East German politician Jake Krack (born 1984), American fiddle player Mike Krack (born 1972), Luxembourgish motorsport engineer
See also Crack (disambiguation)