I Know Who You Are may refer to:
Sé quién eres (TV series) (English: I Know Who You Are), a Spanish television drama series I Know Who You Are (2000 film), a Spanish-Argentine psychological thriller drama film I Know Who You Are (2026 film), a Chinese period drama film "I Know Who You Are" (song), a 2016 single by Planetshakers "I Know Who You Are", an episode from The Flash season 3