CK, Ck, or ck may refer to:
CKCW-FM is a Canadian radio station broadcasting at 94.5 FM in Moncton, New Brunswick. The station plays a hot adult contemporary format branded as K94.5 and is owned by the Maritime Broadcasting System.
CKY is an American heavy metal band from West Chester, Pennsylvania. Formed in 1998 by vocalist and guitarist Deron Miller, guitarist Chad I Ginsburg and drummer Jess Margera, the group currently features Ginsburg, Margera and bassist Matt Deis, who have also performed with frontman Daniel Davies twice since Miller's departure in 2011. Closely linked to the CKY Crew, featuring Margera's brother Bam, the band found initial recognition through its musical contributions to the CKY video series and the TV series Jackass.
CKVU-DT, virtual channel 10 (UHF digital channel 33), is a City owned-and-operated television station located in Vancouver, British Columbia, Canada.
CKTG-FM is a Canadian radio station, broadcasting at 105.3 FM in Thunder Bay, Ontario, owned by Acadia Broadcasting.
CKSO-FM was a Christian music station, which broadcast at 101.1 on the FM dial in Sudbury, Ontario in the mid-2000s.
CKVR-DT, virtual channel 3 (VHF digital channel 10), is a CTV Two owned-and-operated television station located in Barrie, Ontario, Canada that serves as the flagship station of the television system.
The CKY video series were a series of videos produced by Bam Margera and Brandon DiCamillo and other residents of West Chester, Pennsylvania.
CKYL is a Canadian radio station that broadcasts a country music radio format at 610 AM in Peace River, Alberta and also several different other frequencies on the FM dial.
CKMI-DT, UHF channel 15, is a Global owned-and-operated television station located in Montreal, Quebec, Canada.