Kacl, KacL, or KACL may refer to:

  • KACL (FM), a radio station (98.7 FM) licensed to serve Bismarck, North Dakota, United States
  • KXLS, a radio station (95.7 FM) licensed to serve Lahoma, Oklahoma, United States, which held the call sign KACL in 1993
  • KACL, a fictional Seattle, Washington radio station on the TV series Frasier at 780 on the (AM) radio dial
  • KacL, the name of several genes
  • Václav Kacl (1910–?), Czechoslovak diver