IDK

IDK may refer to:

Music IDK (rapper), British-American rapper "IDK" (song), a 2020 song by Lil Tecca "IDK Y", a 2022 song by Joel who

Other uses Abbreviation for I Don't Know Indulkana Airport (IATA: IDK), in Indulkana, South Australia, Australia; see List of airports by IATA airport code: I Internationale der Kriegsdienstgegner/innen, the German section of War Resisters' International Internal derangement of the knee, an alternative named for an anterior cruciate ligament injury