IDK explained

IDK is a three-letter initialism or abbreviation which may refer to:

Music

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

Other Uses

• Abbreviation for I Don't Know
• Indulkana Airport (IATA: IDK), in Indulkana, South Australia, Australia; see
• Internationale der Kriegsdienstgegner/innen, the German section of War Resisters' International