WKL may refer to:
- The World Kabaddi League, a professional sports league in punjabi kabaddi
- Weak Kőnig's lemma, the restriction of Kőnig's lemma to binary trees
- WKL0, a related axiom system in reverse mathematics
- Wolters Kluwer, an American and Dutch information services company
- WinKeyLess, referring to keyboards which lack a Windows key
- Wish Ko Lang!, Philippine drama TV series
- World Kiteboarding League
- WuKeLan, a short form for Ukraine in Chinese