Look up idk in Wiktionary, the free dictionary.
IDK is a three-letter initialism or abbreviation which may refer to:
Music
edit- IDK (rapper), British-American rapper
- "IDK" (song), a 2020 song by Lil Tecca
- "IDK Y", a 2022 song by Joel Deleōn
Other Uses
edit- 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