I Don't Know

I Don't Know or IDK can refer to:

Songs

"I Don't Know", by Farhan Akhtar from Bharat Ane Nenu, 2018
"I Don't Know" (Kidda song), 2013
"I Don't Know" (Honeyz song), 2000
"I Don't Know" (Joanne song), 2001
"I Don't Know" (Mika Nakashima song), 2008
"I Don't Know" (The Sheepdogs song), 2010
"I Don’t Know" (Paul McCartney song), 2018
"I Don't Know" (Willie Mabon song), 1952
"I Don't Know", an English version of the song "Je sais pas" performed by Celine Dion from the album Falling into You
"I Don't Know!", by J-pop duo BaBe, 1987
"I Don't Know", by The Beach Boys from the album The Smile Sessions, 2011
"I Don't Know", by Beastie Boys from the album Hello Nasty
"I Don't Know", by Dredg, 2009
"I Don't Know", by The Esquires, 1969
"I Don't Know", by James Brown, 1956
"I Don't Know", by Lisa Hannigan from the album Sea Sew, 2009
"I Don't Know", by Lostprophets from the album Start Something
"I Don't Know", by Meek Mill
"I Don't Know", by Ozzy Osbourne from the album Blizzard of Ozz, 1980
"I Don't Know", by Paul Revere & The Raiders from the album Alias Pink Puzz, 1969
"I Don't Know", by Pomplamoose from their EP 3 New Songs Woot!, 2010
"I Don't Know", by The Replacements from the album Pleased to Meet Me, 1987
"I Don't Know", by Slum Village from the album Fantastic, Vol. 2, 2000
"I Don't Know", by Usher from the album 8701

Agnosticism, a philosophy of thought which states that certain things are unknown or unknowable
I Don't Know How But They Found Me, American rock duo often abbreviated IDK
Jay IDK, a rapper from Baltimore, Maryland shortened as IDK