DYK or Dyk may refer to: List of acronyms: D#DY, an acronym of 'did you know?' Dyk (surname), a Czech surname Van Dyk, an Afrikaans surname Dongfeng Yueda Kia, an automotive manufacturing venture; 2002–2022 Underwater Demolition Command, a Greek naval unit (; so named since 2001) Devil You Know (band), an American metalcore group; 2012–2017