"All I Know" is a 1973 song by Art Garfunkel. All I Know may also refer to: All I Know (EP), by Conrad Sewell, 2015 "All I Know" (Karnivool song), 2010 "All I Know" (Matrix & Futurebound song), 2012 "All I Know" (Screaming Trees song), 1996 "All I Know" (The Weeknd song), 2016 "All I Know", a song by Max, 1974 "All I Know", a song by Machine Gun Kelly from Tickets to My Downfall, 2020