DYK or Dyk may refer to: Dyk (surname) or Van Dyk, a surname. Dongfeng Yueda Kia, a joint automotive manufacturing venture between the Dongfeng Motor Corporation, Kia Motors, and Yueda. Underwater Demolition Command (Greek: Διοίκηση Υποβρυχίων Καταστροφών), Greek Navy's special warfare unit. Devil You Know (band), an American rock band. See also. Did You Know (disambiguation) Do You Know (disambiguation) https://en.wikipedia.org/wiki/DYK