K&K may refer to:

Kevin and Kell, a webcomic Kenan & Kel, an American sitcom kaiserlich und königlich, the court/government of the Habsburgs Kath & Kim, an Australian comedy/sitcom TV series Kath & Kim (American TV series), an American comedy/sitcom TV series based on the Australian series Knox and Kane Railroad, a railroad in the United States Korn and Korn, a mathematics book

See also KK (disambiguation)