KNK (in various versions) is the name of more than one artist:
1) Korean boy band
2) Belgian EBM band
3) French rap

1) KNK (Hangul: 크나큰; RR: Keunakeun, lit. "great" or "to be great") is a five-member South Korean boy band under YNB Entertainment, the company's first male idol group. KNK is an initialism which stands for K-pop kNocK (Hangul: 케이팝 노크). It means "to knock on the door of the K-pop industry with their music." They made their debut showcase on February 29, 2016 and released their official debut single album entitled KNOCK on March 3, 2016. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.