"Who Is It" ni wombo wa Michael Jackson kutoka katika albamu yake ya mwaka wa 1991, Dangerous. Wimbo huu, upo kama nyimbo zingine maarufu za Jackson, kuhusu fununu. Wimbo kumeshika nafasi ya #6 kwenye chati za U.S. R&B, na #14 kwenye chati za Billboard Hot 100 pale ilipotolewa. Wimbo huu Michael Jackson aliimba acappella (maneno bila vyombo vya muziki/biti/ala za muziki) wakati mahojiano ya mwaka wa 1993 na Oprah Winfrey, na ikapelekea Sony kutoa kama single kwa Marekani badala ya ile iliopangwa "Give In to Me". "Who Is It" (The Most Patient Mix) – 7:44 "Who Is It" (IHS Mix) – 7:58 "Donot Stop 'Til You Get Enough" (Roger's Underground solution mix) – 6:22 "Who Is It" (Single Edit) "Rock With You" (Master's At Work Remix) "Who Is It" (Oprah Winfrey Special Intro) – 4:00 "Who Is It" (Patience Edit) – 4:01 "Who Is It" (House 7") – 3:55 "Who Is It" (Brothers in Rhythm House Mix) – 7:13 "Beat It" (Moby's Sub Mix) – 6:11 Swiss Singles Chart Archives. hitparade.ch. Iliwekwa mnamo 18 Julai 2009.