I Know You Know (disambiguation)
I Know You Know is a film.
I Know You Know may also refer to:
- "I Know You Know", a song from the album BTR by Big Time Rush
 - "I Know You," a song by Skylar Grey
 - "I Know, You Know (Psych)", the theme song of the television series Psych by The Friendly Indians
 - I Know You Know, the 1974 debut album by Meg Christian
 - "I Know U Know", a song by Basshunter from Bass Generation
 - "I Know You Know", a song from the show Produce 101 Season 2
 - "I Know, You Know", a song by Gotthard from Need to Believe
 - "I Know You Know", a song by Esperanza Spalding from Esperanza