IDK

Template:Sister project 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 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

See also

• Template:In title