"I Know You" is a song by British singer Craig David, featuring the British indie pop band Bastille. It was written by David, Dan Smith, Fraser Thorneycroft-Smith, and Helen "Carmen Reece" Culver for his seventh studio album, The Time Is Now (2018), with production helmed by Thorneycroft-Smith under his pseudonyme Fraser T Smith. The song was released on 23 November 2017, as the second single from the album and reached number five on the UK Singles Chart.